Solve for x
x=48
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864=720+3x
Multiply 180 and 4 to get 720.
720+3x=864
Swap sides so that all variable terms are on the left hand side.
3x=864-720
Subtract 720 from both sides.
3x=144
Subtract 720 from 864 to get 144.
x=\frac{144}{3}
Divide both sides by 3.
x=48
Divide 144 by 3 to get 48.
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