Show how to solve the following math problem in 3 steps.

3x + 4y = 9
user
Step 1: Subtract 4y from both sides, giving 3x = 9 - 4y
Step 2: Divide both sides by 3 to get x = 3 - 4/3y
Step 3: Subtract 3 from both sides to get 4/3y = -6, then multiply both sides by -3/4 to get y = 9.
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