55-15=5(x-7)

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Solution for 55-15=5(x-7) equation: 



55-15=5(x-7)

We move all terms to the left:

55-15-(5(x-7))=0

We add all the numbers together, and all the variables

-(5(x-7))+40=0



We calculate terms in parentheses: -(5(x-7)), so:

5(x-7)

We multiply parentheses

5x-35

Back to the equation:

-(5x-35)



We get rid of parentheses

-5x+35+40=0

We add all the numbers together, and all the variables

-5x+75=0

We move all terms containing x to the left, all other terms to the right

-5x=-75

x=-75/-5

x=+15

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