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552
x/4 +1 = 3x -2
x^2-x=20
A gold ornament is made of 18 carat gold (i. e. ratio of gold to copper is 3:1). If the ornament is made of pure gold, find what c...
.552
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Solve for
\[d\].
Reduce any fractions to lowest terms. Don't round your answer, and don't use mixed fractions.
\frac{50}{x}=\frac{x}{\frac{25}{2}}
(9 x 6) + (9 x 4) =
-2 < 4x+2 < 6
como resolver con ecuacion lineal