140=7(4-4x)

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Solution for 140=7(4-4x) equation: 



140=7(4-4x)

We move all terms to the left:

140-(7(4-4x))=0

We add all the numbers together, and all the variables

-(7(-4x+4))+140=0



We calculate terms in parentheses: -(7(-4x+4)), so:

7(-4x+4)

We multiply parentheses

-28x+28

Back to the equation:

-(-28x+28)



We get rid of parentheses

28x-28+140=0

We add all the numbers together, and all the variables

28x+112=0

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

28x=-112

x=-112/28

x=-4

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