Solve for x
x=6
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20-8=2x
Multiply 5 and 4 to get 20.
12=2x
Subtract 8 from 20 to get 12.
2x=12
Swap sides so that all variable terms are on the left hand side.
x=\frac{12}{2}
Divide both sides by 2.
x=6
Divide 12 by 2 to get 6.
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