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harina [27]
3 years ago
12

Solve this equation by using the substitution method. Make sure you show ALL your work.

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Step-by-step explanation:

substitute for y

x+3+4 = -6x

x+ 7 = -6x

7 = -7x

-1 = x

y = -1+3

y = 2

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