Solve for x
x=\frac{2}{21}\approx 0.095238095
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21x+19=21
Swap sides so that all variable terms are on the left hand side.
21x=21-19
Subtract 19 from both sides.
21x=2
Subtract 19 from 21 to get 2.
x=\frac{2}{21}
Divide both sides by 21.
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