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

-4x + 11y = 15 X = 2y Solve using substitution X = Y=
asked 109k views
25 votes
-4x + 11y = 15
X = 2y

Solve using substitution

X =

Y=

asked
User Laure
by
8.4k points

1 Answer

7 votes
-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
answered
User Dread Boy
by
8.4k points
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