x+8+7=9+4x

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Solution for x+8+7=9+4x equation: 



x+8+7=9+4x

We move all terms to the left:

x+8+7-(9+4x)=0

We add all the numbers together, and all the variables

x-(4x+9)+8+7=0

We add all the numbers together, and all the variables

x-(4x+9)+15=0

We get rid of parentheses

x-4x-9+15=0

We add all the numbers together, and all the variables

-3x+6=0

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

-3x=-6

x=-6/-3

x=+2

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