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Lisa [10]
4 years ago
11

Solve the system for x: 6x - 5y = 8 2x + 9y = 24

Mathematics
1 answer:
Gennadij [26K]4 years ago
8 0

Answer:

x = 3

Step-by-step explanation:

\left \{ {{6x-5y=8} \atop {2x+9y=24}} \right.

I'm going to use the method of elimination by multiplying the second equation by -3:

\left \{ {{6x-5y=8} \atop {-6x-27y=-72}} \right.

Then I can eliminate x:

-32y = -64

To solve for y, I'd simply divide:

y = 2

Because I now have y = 2, I'll just plug in 2:

6x - 5(2) = 8

6x - 10 = 8

6x = 18

x = 3

Hopefully I helped :)

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