Solve for x
x=13
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3x+1=10\times 4
Multiply both sides by 4.
3x+1=40
Multiply 10 and 4 to get 40.
3x=40-1
Subtract 1 from both sides.
3x=39
Subtract 1 from 40 to get 39.
x=\frac{39}{3}
Divide both sides by 3.
x=13
Divide 39 by 3 to get 13.
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