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3x+2y=0 9x-24=2y How can you order a ladder?

3x+2y=0 9x-24=2y How can you order a ladder?
asked 87.7k views
1 vote
3x+2y=0
9x-24=2y

How can you order a ladder?

asked
User Baqir Khan
by
8.1k points

1 Answer

3 votes
Answer: x=2 and y=-3


Because:
Substitute the second equation for 2y into the first equation
3x + 9x - 24 = 0
12x - 24 = 0
12x = 24
x = 2

3x + 2y = 0
(3x2) + 2y = 0
6 + 2y = 0
2y = - 6
y = - 3
answered
User William Briand
by
8.4k points
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