#### Answer

m = -1.6

#### Work Step by Step

0.03(m + 7) = 0.02(5 - m) + 0.03
Distribute:
0.03m + 0.21 = 0.1 - 0.02m + 0.03
0.03m + 0.21 = 0.13 - 0.02m
Add 0.02m to both sides:
0.05m + 0.21 = 0.13
Subtract 0.21 from both sides:
0.05m = -0.08
Divide both sides by 0.05:
m = -0.08/0.05
m = -1.6