Answer:
[tex] -2 = m[/tex]
Step-by-step explanation:
6x + 3y = –9
-6x - 6x
_____________
3y = -6x - 9
__ _______
3 3
y = -2x - 3
↑
rate of change [slope]
* Since parallel lines have SIMILAR SLOPES, -2 remains the same.
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