2x-y=0 3x-2y=-3 x+4y=1 3x+5y=10 3x+3=3y 2x-6y=2 The correct way to do number 22

asked Jan 11, 2018 9.0k views

2 votes

2x-y=0

3x-2y=-3

x+4y=1
3x+5y=10

3x+3=3y
2x-6y=2

The correct way to do number 22

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6 votes

If you mult. x + y = 1 by -5, you should get -5x - 5y = -5. In the example shown, the author wrote -5x + 5y = -5 (this is incorrect)

Estefany answered Jan 14, 2018

8.2k points

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