Solve for x
x = -\frac{28}{3} = -9\frac{1}{3} \approx -9.333333333
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40+3x=12
Multiply both sides of the equation by 4.
3x=12-40
Subtract 40 from both sides.
3x=-28
Subtract 40 from 12 to get -28.
x=\frac{-28}{3}
Divide both sides by 3.
x=-\frac{28}{3}
Fraction \frac{-28}{3} can be rewritten as -\frac{28}{3} by extracting the negative sign.
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