Find the value of y in the equation 3x - 2y = 9, where x = 5?
- y = 3
- y = 6
- y = 8
- y = -9
Explanation
Given equation: 3x - 2y = 9
Substitute x = 5 into the equation:
3(5) - 2y = 9
15 - 2y = 9
Subtract 15 from both sides to isolate -2y:
-2y = 9 - 15
-2y = -6
Divide by -2 to solve for y:
y = -6 / -2
y = 3
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