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7(2-x)=-63
We move all terms to the left:
7(2-x)-(-63)=0
We add all the numbers together, and all the variables
7(-1x+2)-(-63)=0
We add all the numbers together, and all the variables
7(-1x+2)+63=0
We multiply parentheses
-7x+14+63=0
We add all the numbers together, and all the variables
-7x+77=0
We move all terms containing x to the left, all other terms to the right
-7x=-77
x=-77/-7
x=+11
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