4x+40=x-100

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Solution for 4x+40=x-100 equation: 



4x+40=x-100

We move all terms to the left:

4x+40-(x-100)=0

We get rid of parentheses

4x-x+100+40=0

We add all the numbers together, and all the variables

3x+140=0

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

3x=-140

x=-140/3

x=-46+2/3

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