Question

Solve the following pair of equations for x and y
respectively
12x - 10y-2 = 0 and 10x - 10y + 20 = 0
​

Answer 1

Step-by-step explanation:

12x-10y=2

10x-10y=-20

-___+___+___

2x = 22

x=11

10×11 - 10y = 20

110-10y=20

-10y=-90

y=9

Answer 2

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