Solve for y in the two equations below using substitution. 3x – 6y = 9 – 3x + 3y=9 A. y = 1/3 B. y = - 1/3 C. y = -6 D. y = 6

asked Dec 28, 2022 164k views

2 votes

Solve for y in the two equations below using substitution.

3x – 6y = 9
– 3x + 3y=9
A. y = 1/3
B. y = - 1/3
C. y = -6
D. y = 6

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6 votes

Answer:

C. y = -6

Explanation:

3x – 6y = 9

–3x + 3y = 9

-3y = 18

y = -6

Marko answered Jan 1, 2023

by Marko

3.9k points

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