3 years ago

How to solve -6x-5y=18 -5×+2y=22

Mathematics

1 answer:

Orlov [11]3 years ago

6 0

-5 x 2y = 22
2y = 22 / -5 which is -4.4
y = -2.2
Substitute:
-6x + 11 = 18
-6x = 7
x = 7 / -6

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