15(7-x)=7(13-x)

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Solution for 15(7-x)=7(13-x) equation: 



15(7-x)=7(13-x)

We move all terms to the left:

15(7-x)-(7(13-x))=0

We add all the numbers together, and all the variables

15(-1x+7)-(7(-1x+13))=0

We multiply parentheses

-15x-(7(-1x+13))+105=0



We calculate terms in parentheses: -(7(-1x+13)), so:

7(-1x+13)

We multiply parentheses

-7x+91

Back to the equation:

-(-7x+91)



We get rid of parentheses

-15x+7x-91+105=0

We add all the numbers together, and all the variables

-8x+14=0

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

-8x=-14

x=-14/-8

x=1+3/4

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