Solve for x
x = \frac{23}{3} = 7\frac{2}{3} \approx 7.666666667
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3x-21-2=0
Use the distributive property to multiply 3 by x-7.
3x-23=0
Subtract 2 from -21 to get -23.
3x=23
Add 23 to both sides. Anything plus zero gives itself.
x=\frac{23}{3}
Divide both sides by 3.
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