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-5x+7=8+7
We move all terms to the left:
-5x+7-(8+7)=0
We add all the numbers together, and all the variables
-5x+7-15=0
We add all the numbers together, and all the variables
-5x-8=0
We move all terms containing x to the left, all other terms to the right
-5x=8
x=8/-5
x=-1+3/5
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