Solve for x
x=-\frac{21}{23}\approx -0.913043478
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23x+21=0
Combine 2x and 21x to get 23x.
23x=-21
Subtract 21 from both sides. Anything subtracted from zero gives its negation.
x=\frac{-21}{23}
Divide both sides by 23.
x=-\frac{21}{23}
Fraction \frac{-21}{23} can be rewritten as -\frac{21}{23} by extracting the negative sign.
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