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(64-x)142=13
We move all terms to the left:
(64-x)142-(13)=0
We add all the numbers together, and all the variables
(-1x+64)142-13=0
We multiply parentheses
-142x+9088-13=0
We add all the numbers together, and all the variables
-142x+9075=0
We move all terms containing x to the left, all other terms to the right
-142x=-9075
x=-9075/-142
x=63+129/142
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