2 years ago

-4x + 11y = 15 X = 2y Solve using substitution X = Y=

Mathematics

1 answer:

Virty [35]2 years ago

8 0

-4(2y)+11y=15, -8y+11y=3y=15: y=5

X=2(5)=10

To check your work -4(10)+11(5)=15
15=15

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