814 Math Blog (2015)

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Ayyee. It's Mickayla here,  and ill be walking you through 3 equations we did on pg.44 :) 

but being honest here you should have these questions "in the bag" but.

           -7y + 2 - 2 = -75 -2    - second, isolate the variable

                                                          (make sure you do it on both sides so its balanced)

                     -7y = -77         - afterwards you are left with the coefficient,                                                                                         variable and "answer"

                     -7y = -77        - next you would have to get rid of the                                                      -7      -7                   coefficient (by dividing on both sides)

                                  y  = +11        - and you're answer should be +11 :) 

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                 #6)   v  - 10 = -14        - this question would also follow the first                                                                           questions steps

                         3

       v  - 10 + 10 = -14 + 10  - isolate the variable on each side.

       3

                     v  = -4             - now you would have to get rid of the 

                     3                       coefficient.

               (3) v  = (3) -4     - instead of dividing like the last questions,   

                3                       you would have to multiply on both sides.

                              v   =   -12                 - and the answer is should be -12 :D

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      #11)    45 = 6d - 45      - as you can see this question is not in "order"                                                              

               45 = 6d - 45     -that means you would have to rearrange them.                                                                                       (just to make it easier for yourself)

               6d - 45 = 45      -if you have rearranged them correctly, you would                                                                                 have a question like this.

     6d - 45 + 45 = 45 + 45   - and now like the other two questions,                                                                                                  isolate the variable.

                            6d = 90       - and if you added correct likely (which i hope                                                                                you did) you'd end up with 6d = 90 

                   6d  =  90        - now just like the first question, you have to get 

                    6        6          rid of the coefficient by dividing on both sides.

                                     

                               d = 15          - and your answer should be +15 :P

                                     

and if you still have a hard time doing two step algebra equations, feel free to watch this video about two step algebra equations :))) 

P.S make sure you verify as well! and happy halloween !!1!

                   

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This post will help you too understand how to do these types of equations.

When questions are like these you just need to make it simpler so when you have a fraction you are dividing. Move the variable to the numerator.Rewrite as division and after its a variable divide by the constant equals your answer than its the same type of questions as the one above this equation.