Solve for x
x=\frac{1}{3}\approx 0.333333333
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21x=2\times 3+1
Multiply both sides of the equation by 3.
21x=6+1
Multiply 2 and 3 to get 6.
21x=7
Add 6 and 1 to get 7.
x=\frac{7}{21}
Divide both sides by 21.
x=\frac{1}{3}
Reduce the fraction \frac{7}{21} to lowest terms by extracting and canceling out 7.
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