Answer
x = 21
Work Step by Step
$\frac{3}{7}$x = 9
Multiply both sides by reciprocal:
$\frac{7}{3}*(\frac{3}{7}$x) = 9*$\frac{7}{3}$
Simplify:
x = 21
Check with substitution:
$\frac{3}{7}$(21) = 9
9 = 9
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