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-7x+12=-8+48
We move all terms to the left:
-7x+12-(-8+48)=0
We add all the numbers together, and all the variables
-7x+12-40=0
We add all the numbers together, and all the variables
-7x-28=0
We move all terms containing x to the left, all other terms to the right
-7x=28
x=28/-7
x=-4
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