Solve for x
x = \frac{740}{3} = 246\frac{2}{3} \approx 246.666666667
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760=20+3x
Combine -x and x\times 4 to get 3x.
20+3x=760
Swap sides so that all variable terms are on the left hand side.
3x=760-20
Subtract 20 from both sides.
3x=740
Subtract 20 from 760 to get 740.
x=\frac{740}{3}
Divide both sides by 3.
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