Answer:

1.x-2y=6

=x -2y-6=0

2.2x+2y=—8

=x+y+4=0

3.3x—y=7

= 3x-y -7=0

4.4x+3y=12

=4x+3y-12=0

5.1—3x+y=10

=3x-y=-5

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Step-by-step explanation:

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