Solve for x
x = \frac{13}{3} = 4\frac{1}{3} \approx 4.333333333
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3x+7=5\times 4
Multiply both sides by 4.
3x+7=20
Multiply 5 and 4 to get 20.
3x=20-7
Subtract 7 from both sides.
3x=13
Subtract 7 from 20 to get 13.
x=\frac{13}{3}
Divide both sides by 3.
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