140=2x+2(7x-10)

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Solution for 140=2x+2(7x-10) equation: 



140=2x+2(7x-10)

We move all terms to the left:

140-(2x+2(7x-10))=0



We calculate terms in parentheses: -(2x+2(7x-10)), so:

2x+2(7x-10)

We multiply parentheses

2x+14x-20

We add all the numbers together, and all the variables

16x-20

Back to the equation:

-(16x-20)



We get rid of parentheses

-16x+20+140=0

We add all the numbers together, and all the variables

-16x+160=0

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

-16x=-160

x=-160/-16

x=+10

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