Solve for x
x = \frac{57}{10} = 5\frac{7}{10} = 5.7
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10x-1=8\times 7
Multiply both sides by 7.
10x-1=56
Multiply 8 and 7 to get 56.
10x=56+1
Add 1 to both sides.
10x=57
Add 56 and 1 to get 57.
x=\frac{57}{10}
Divide both sides by 10.
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