can someone please help me and show me how to do this please ;"(
Simplify and solve this equation: 4m + 9 + 5m – 12 = 42.
A. m = 5
B. m = 4
C. m = –5
D. m = -4

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were did you get this from 4. 16+9+20-12?

what happened to this 4m + 9 + 5m – 12 = 42.

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