159=-5x+(7x-15)

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Solution for 159=-5x+(7x-15) equation:



159=-5x+(7x-15)
We move all terms to the left:
159-(-5x+(7x-15))=0
We calculate terms in parentheses: -(-5x+(7x-15)), so:
-5x+(7x-15)
We get rid of parentheses
-5x+7x-15
We add all the numbers together, and all the variables
2x-15
Back to the equation:
-(2x-15)
We get rid of parentheses
-2x+15+159=0
We add all the numbers together, and all the variables
-2x+174=0
We move all terms containing x to the left, all other terms to the right
-2x=-174
x=-174/-2
x=+87

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