170=7x+2(4x+10)

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Solution for 170=7x+2(4x+10) equation:



170=7x+2(4x+10)
We move all terms to the left:
170-(7x+2(4x+10))=0
We calculate terms in parentheses: -(7x+2(4x+10)), so:
7x+2(4x+10)
We multiply parentheses
7x+8x+20
We add all the numbers together, and all the variables
15x+20
Back to the equation:
-(15x+20)
We get rid of parentheses
-15x-20+170=0
We add all the numbers together, and all the variables
-15x+150=0
We move all terms containing x to the left, all other terms to the right
-15x=-150
x=-150/-15
x=+10

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