-7(x-3)=15(x-3)

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Solution for -7(x-3)=15(x-3) equation: 



-7(x-3)=15(x-3)

We move all terms to the left:

-7(x-3)-(15(x-3))=0

We multiply parentheses

-7x-(15(x-3))+21=0



We calculate terms in parentheses: -(15(x-3)), so:

15(x-3)

We multiply parentheses

15x-45

Back to the equation:

-(15x-45)



We get rid of parentheses

-7x-15x+45+21=0

We add all the numbers together, and all the variables

-22x+66=0

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

-22x=-66

x=-66/-22

x=+3

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