x+78=40-3x

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Solution for x+78=40-3x equation: 



x+78=40-3x

We move all terms to the left:

x+78-(40-3x)=0

We add all the numbers together, and all the variables

x-(-3x+40)+78=0

We get rid of parentheses

x+3x-40+78=0

We add all the numbers together, and all the variables

4x+38=0

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

4x=-38

x=-38/4

x=-9+1/2

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