Answers

2016-01-26T18:11:02+08:00
M - 3 = 2m + 5
m - 2m = 5 + 3
-1 (-m = 8) -1
m = -8 

3(c + 4) - c = 6
3c + 12 - c = 6
2c + 12 = 6
 \frac{2c}{2} = \frac{6-12}{2}
c = -6 

3x + 2 = 2x - 7
3x - 2x = -7 - 2
x = -9 

8h - 5 = h - 5
8h - h = -5 + 5
 \frac{7h}{7} = \frac{0}{7}
h = 0

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