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denis-greek [22]
3 years ago
15

Simplify and solve this equation: 4m+9+5m-12=42

Mathematics
2 answers:
s2008m [1.1K]3 years ago
5 0
You first must add together the same values
So
4m+5m=9m
+9+-12 =-3
So you have
9m-3=42
Then you put the -3 on the other side you you add 3 in to both sides so now you have
9m =45
And then divide 45 divided by 9 = 5
So the answer is m=5
zimovet [89]3 years ago
4 0
First you combine like variables
9m - 3 = 42
then add both sides
9m = 45
then divide whats left
m = 5 
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