13x-(x+12)-5x=7x-(5x-3)

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Solution for 13x-(x+12)-5x=7x-(5x-3) equation: 



13x-(x+12)-5x=7x-(5x-3)

We move all terms to the left:

13x-(x+12)-5x-(7x-(5x-3))=0

We add all the numbers together, and all the variables

8x-(x+12)-(7x-(5x-3))=0

We get rid of parentheses

8x-x-(7x-(5x-3))-12=0



We calculate terms in parentheses: -(7x-(5x-3)), so:

7x-(5x-3)

We get rid of parentheses

7x-5x+3

We add all the numbers together, and all the variables

2x+3

Back to the equation:

-(2x+3)



We add all the numbers together, and all the variables

7x-(2x+3)-12=0

We get rid of parentheses

7x-2x-3-12=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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