Question

Elimination process
1)
3x-6y=-12
-3x+6y=12

2)
-6x+3y=-28
6x-3y=30

3)
-4x+6y=30
2x-6y=-30

4)
5x+y=-16
5x+2y=-17

5)
7x + 5y = 19
x+5y=7

Answer 1

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