7(4-3x)=-140

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Solution for 7(4-3x)=-140 equation: 



7(4-3x)=-140

We move all terms to the left:

7(4-3x)-(-140)=0

We add all the numbers together, and all the variables

7(-3x+4)-(-140)=0

We add all the numbers together, and all the variables

7(-3x+4)+140=0

We multiply parentheses

-21x+28+140=0

We add all the numbers together, and all the variables

-21x+168=0

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

-21x=-168

x=-168/-21

x=+8

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