Solve for x
x=1
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13x+7=20
Swap sides so that all variable terms are on the left hand side.
13x=20-7
Subtract 7 from both sides.
13x=13
Subtract 7 from 20 to get 13.
x=\frac{13}{13}
Divide both sides by 13.
x=1
Divide 13 by 13 to get 1.
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