x-4=3,x=-1,7,-7*

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Solution for x-4=3,x=-1,7,-7* equation: 



x-4=3.x=-1.7.-7*

We move all terms to the left:

x-4-(3.x)=0

We add all the numbers together, and all the variables

x-(+3.x)-4=0

We get rid of parentheses

x-3.x-4=0

We add all the numbers together, and all the variables

-2x-4=0

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

-2x=4

x=4/-2

x=-2

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