3/4 is equal to 6/8, and 3/8 plus 6/8 is 9/8. 9/8 minus 5/8 is 4/8 or 1/2.
Answer: B. m = 3
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Work:
4(m + 3) = 24
4m + 12 = 24
(Subtract 12 on both sides)
4m = 12
m = 3
Here are the properties you should look out for. hope it's easier to understand! :)