Question

4m + 9 + 5m – 12 = 42

Answer 1

combine the like terms

4m+5m-12+9=42
9m-3=42
nw just add 3 both sides & then divide 9 both sides.

Answer 2

m=5

Answer 3

4m + 9 + 5m - 12 = 42
(combine)

9m - 3 = 42
(add 3 to both sides)

9m = 45
(divide both sides by 9)

m = 5

Answer 4

thank you all soooooo much