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2 years ago

−x + y = 6 2x + y = −12

Mathematics

1 answer:

mote1985 [20]2 years ago

3 0

Answer: 6, 12

-x+y=6 [eq.1]

2x + y = - 12 [eq.2]

[eq.2] - [eq.1]

2x + y - (-x) - y = - 12 - 6

2x +x =-18

3x=18

x = 18/3

ans: x = 6

substituting x=6 in [eq.1]

-x + y = 6

-6 +y =6

ans: y= 12

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