Question

What is the value of x?



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x =
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Answer 1

x=5

Explanation:

Answer 2

Set up a ratio:

9 / 2x-1 = 15 / 3x

Cross multiply:

9 *3x = 15 * 2x-1

Simplify:

27x = 30x - 15

Subtract 30x from both sides.

-3x = -15

Divide both sides by -3:

x = -15 / -3

x = 5