Solve for x
x=90
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3x+8=278
Swap sides so that all variable terms are on the left hand side.
3x=278-8
Subtract 8 from both sides.
3x=270
Subtract 8 from 278 to get 270.
x=\frac{270}{3}
Divide both sides by 3.
x=90
Divide 270 by 3 to get 90.
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