3m - 12 = -6
Add 12 to both sides, so m is by itself:
3m = 6
Now divide both sides by 3 to find the answer:
m = 2
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Add 12 to each side: 3m = 6; m = 2
270
To solve the equation 5m + 3 = 3m + 9, you need to isolate the variable m. Start by subtracting 3m from both sides to get 2m + 3 = 9. Then, subtract 3 from both sides to get 2m = 6. Finally, divide by 2 to find m = 3.
9m + 9m + 3m + 3m = 24m
m + m + m