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3 votes
3 votes
Solve 9x + 3y = 15 for y.

A. y=-3x + 15
B. y = 9x + 15
C. y = -9x + 5
D. y=-3x + 5

User Gerald Mayr
by
2.4k points

2 Answers

18 votes
18 votes

Answer:

D. y = -3x + 5

Explanation:

Subtract 9x from both sides

3y = 15 - 9x

y = 15/3 - 9x/3

y = 5 - 3x

y = -3x + 5

User Kosmonaft
by
3.3k points
20 votes
20 votes

Answer: D) y = -3x + 5

Explanation:

Move x.

3y = -9x + 15

Divide by 3.

y = -3x + 5

Hope it helps :) and let me know if you want me to elaborate.

User Fozziethebeat
by
2.7k points