Answer:
m=-24
Step-by-step explanation:
Subtract 12 on both sides
m + 12 - 12 = -12 - 12
m = -24
Slope is 1
Thus, the slope of the equation is 1
17.7
62.3-7=55.3
55.3-19.9=35.4
35.4/2 = 17.7
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