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(-10+8)=7x-3x
We move all terms to the left:
(-10+8)-(7x-3x)=0
We add all the numbers together, and all the variables
-(+4x)+(-2)=0
We add all the numbers together, and all the variables
-(+4x)-2=0
We get rid of parentheses
-4x-2=0
We move all terms containing x to the left, all other terms to the right
-4x=2
x=2/-4
x=-1/2
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