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nadya68 [22]
2 years ago
10

-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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