Solve for x
x=93.25
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81=0.8\left(x+8\right)
Variable x cannot be equal to -8 since division by zero is not defined. Multiply both sides of the equation by x+8.
81=0.8x+6.4
Use the distributive property to multiply 0.8 by x+8.
0.8x+6.4=81
Swap sides so that all variable terms are on the left hand side.
0.8x=81-6.4
Subtract 6.4 from both sides.
0.8x=74.6
Subtract 6.4 from 81 to get 74.6.
x=\frac{74.6}{0.8}
Divide both sides by 0.8.
x=\frac{746}{8}
Expand \frac{74.6}{0.8} by multiplying both numerator and the denominator by 10.
x=\frac{373}{4}
Reduce the fraction \frac{746}{8} to lowest terms by extracting and canceling out 2.
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