Answer:
7)
a. y = 1/3x - 2
b. m = 1/3, b = -2
8.
a. y = -1/3x -5
b. m = -1/3, b = -5
Explanation:
7.
2x - 6y = 12
-6y = -2x + 12
y = 1/3x - 2
x + 3y = -15
3y = -x - 15
y = -1/3x -5
c.
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