3 years ago

X = 10 5x − 4y = 18 substetution need fast

1 answer:

4 0

Y = 8

Explanation:

X = 10

5x - 4y = 18

5(10) - 4y = 18

50 - 4y = 18

50 - 4y = 18
-50 -50

-4y = -32

-4y/-4 = -32/-4

y = 8

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