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artcher [175]
3 years ago
14

solve the system of linear equations by elimination, the equations are 2x-6=4y and 7y= -3x+9. What is the solution

Mathematics
1 answer:
tatiyna3 years ago
3 0
This should be the answer. You can plug in 0 for y to any of the equation to find the x.

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Please help!
agasfer [191]
Ok im not sure the answer yet so ima work on it at the same time while im explaining it. (The answer will probably be near the end)

We can use the elimination method to eliminate y out. To do that we multiply the first equation by 3.

6x+3y=-12

Now just subtract it from the other equation.

6x+3y=-12
5x+3y=-6

***x=-6***

Usually after doing the elimination method you will have to solve for x but in this case its already solved for you. If you want to find y now you just take the first equation and fill x with -6 and solve for y.

2(-6)+y=-4
-12+y=-4
y=8

Brainliest my answer if it helps you out?
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Step-by-step explanation: You just multiply the 98 cents by the 70 songs.

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