What is the answer to 3/9 = u/(12) ?

The answer to 3/9 = u/(12) is u=4

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3/9 = u/(12)

\frac{3}{9} = \frac{u}{12}

u = 4

Solution steps

\frac{3}{9} = \frac{u}{12}

Switch sides

\frac{u}{12} = \frac{3}{9}

Cancel the common factor:

3

\frac{u}{12} = \frac{1}{3}

Multiply both sides by

12

u = 4

\frac{1}{2} \cdot 7 \cdot 6

6 x - 18 = - 4 x - 32

\frac{2 x + 4}{- 3} \leq 2 x + 5

3 (3 x + 3) - 5 x - 4 = 25

\frac{x + 9}{x ^{2} - 5 x + 6} \leq 0