Solve for x
x=-\frac{1}{7}\approx -0.142857143
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8+2x+5x=7
Add 5x to both sides.
8+7x=7
Combine 2x and 5x to get 7x.
7x=7-8
Subtract 8 from both sides.
7x=-1
Subtract 8 from 7 to get -1.
x=\frac{-1}{7}
Divide both sides by 7.
x=-\frac{1}{7}
Fraction \frac{-1}{7} can be rewritten as -\frac{1}{7} by extracting the negative sign.
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