4x+12=-x+77

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Solution for 4x+12=-x+77 equation: 



4x+12=-x+77

We move all terms to the left:

4x+12-(-x+77)=0

We add all the numbers together, and all the variables

4x-(-1x+77)+12=0

We get rid of parentheses

4x+1x-77+12=0

We add all the numbers together, and all the variables

5x-65=0

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

5x=65

x=65/5

x=13

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