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5x + 2y = 8
x
+y=4
If you want to solve the system of equations by addition, which of the following could you do?
Multiply the second equation by 5 and add.
Multiply the second equation by 2 and add.
Multiply the second equation by -2 and add.
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Respuesta :

ashlennelarochelle56

Answer:

you multiply the second equation by -2.

Step-by-step explanation:

to get rid of y and find x. Then you plug x into one of the equations to find y

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