This post will help you too understand how to do these types of equations.
When you have these types of equations you always balance out the equation it can't be unbalanced. You balance it out by canceling the coefficient with your constant then you just have your answer divided by your constant.If there is a coefficient like (-3x) cancel it with the same (-3) negative number.
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These types of questions are with fractions. When you do these questions you do the opposite operation so you move the constant with brackets beside the variable making it multiplication and like I said with balance you have to do it on the other side same when it has negative numbers.
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.
