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3x 2y 15 x 3

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3x-2y=15 x=3

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Answer to a math question 3x-2y=15 x=3

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Substitute \( x = 3 \) into the equation \( 3x - 2y = 15 \):

3(3) - 2y = 15

Simplify:

9 - 2y = 15

Isolate \( y \) by subtracting 9 from both sides:

-2y = 6

Solve for \( y \) by dividing both sides by -2:

y = -3

Final values:

x = 3, \; y = -3

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