Solve for x
x=4
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3x+7=19
Swap sides so that all variable terms are on the left hand side.
3x=19-7
Subtract 7 from both sides.
3x=12
Subtract 7 from 19 to get 12.
x=\frac{12}{3}
Divide both sides by 3.
x=4
Divide 12 by 3 to get 4.
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