Solve for x
x = \frac{19}{7} = 2\frac{5}{7} \approx 2.714285714
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21x+13=70
Combine 14x and 7x to get 21x.
21x=70-13
Subtract 13 from both sides.
21x=57
Subtract 13 from 70 to get 57.
x=\frac{57}{21}
Divide both sides by 21.
x=\frac{19}{7}
Reduce the fraction \frac{57}{21} to lowest terms by extracting and canceling out 3.
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