3m + 15 = 45 3m = 30 m = 10
60
m = -12
If: 7+3m = -29 then the value of m is -12
9m + 9m + 3m + 3m = 24m
70
The slope is 3.
3m + 12
10 + 3mm = 2010 + 3x20 = 70
m = 12. 3 x 12 = 36, 36 + 8 = 44.
75
Without any equality signs the given terms can't be classed as equations.