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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

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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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

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-example-1
User Pavan Kumar V
by
7.5k points

1 Answer

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)
User Estefany
by
8.2k points
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