Answered

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5x - 4y = -10
y = 2x - 5
2 =
y =

5x 4y 10 Y 2x 5 2 Y class=

Sagot :

Answer:

x=10

y=15

Step-by-step explanation:

Since we know y in terms of x, we can use substitution and say instead of-

5x-4y=-10

5x-4(2x-5)=-10

5x-8x+20=-10

-3x=-30

x=10

Substitute x into the equation-

y=2x-5

y=2(10)-5

y=20-5=15.

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