5m+3=3m+9
First get the ms and the constants on separate sides.
Do this by subtracting 3 from both sides (5m=3m+6)
Then subtract 3m from both sides (2m=6)
then divide both sides by 2 to find m. (m=3)
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Well, 3m + m = 4m so 88 divided by 4= 22 there fore m =22 and 3m = 66
3m = 14 m = 14/3
m = 12. 3 x 12 = 36, 36 + 8 = 44.
3m-5 = 7-21 3m = 7-21+5 3m = -9 m = -3
75