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-3-240=-13x+70
We move all terms to the left:
-3-240-(-13x+70)=0
We add all the numbers together, and all the variables
-(-13x+70)-243=0
We get rid of parentheses
13x-70-243=0
We add all the numbers together, and all the variables
13x-313=0
We move all terms containing x to the left, all other terms to the right
13x=313
x=313/13
x=24+1/13
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