holdingVoyage holdingVoyage

11-05-2020
Mathematics

contestada

Solve the system by substitution.
y = -2
10x + 2y = 40

Respuesta :

mysticchacha mysticchacha

11-05-2020

Answer:

Solution: (4.4, -2)

x = 4.4 and y = -2

Step-by-step explanation:

y = -2

10x + 2y = 40

Plug in for y.

10x + 2*(-2) = 40

10x - 4 = 40

10x = 40 + 4

10x = 44

x = 44/10

x = 22/5 or x = 4.4

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yaramarayay10 yaramarayay10

11-05-2020

The answer would be 4.4

Answer Link

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