Solve the following systems by elimination: 5x – 2y = 12
3x + 2y = 12

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Math

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Solve the following systems by elimination: 5x – 2y = 12
3x + 2y = 12

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Mlcparra16viz Mlcparra16viz · Answer 1

Mlcparra16viz Mlcparra16viz

We just add the two equations:
5x - 2y = 12
3x + 2y = 12
8x = 24
x = 3
We substitute this to the first equation:
5x - 2y = 12
15 - 2y = 12
-2y = -3
y = 3/2

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