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miv72 [106K]
3 years ago
14

Tracy solved the system of equations by making a substitution for x in the second equation.

Mathematics
1 answer:
irinina [24]3 years ago
8 0
I: x = –2y – 2
II: 2x + 3y = –6

substitute I's x (x = –2y – 2) definition into II:
2*(-2y-2) + 3y = –6
-4y-4+3y=-6

which is the last option

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