Solve for x
x=3
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8x-3=21
Combine 6x and 2x to get 8x.
8x=21+3
Add 3 to both sides.
8x=24
Add 21 and 3 to get 24.
x=\frac{24}{8}
Divide both sides by 8.
x=3
Divide 24 by 8 to get 3.
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