Solve for x
x=4
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3x-4=\frac{40}{5}
Divide both sides by 5.
3x-4=8
Divide 40 by 5 to get 8.
3x=8+4
Add 4 to both sides.
3x=12
Add 8 and 4 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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