Solve for x
x = \frac{8}{7} = 1\frac{1}{7} \approx 1.142857143
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7x+1=9
Combine 2x and 5x to get 7x.
7x=9-1
Subtract 1 from both sides.
7x=8
Subtract 1 from 9 to get 8.
x=\frac{8}{7}
Divide both sides by 7.
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