elizabethcoyotl20 elizabethcoyotl20

21-09-2020
Mathematics

contestada

Help! pls

11. The partial solution to a system of equations below contains an error. Find and correct the mistake to find the correct value of y.

2x + 2y = 4
x + 4y = 14

Respuesta :

meredith48034 meredith48034

21-09-2020

Answer:

Step-by-step explanation:

2x + 2y = 4

-2x - 8y = -28

-6y = -24

y = 4

2x + 2(4) = 4

2x + 8 = 4

2x = -4

x = -2

(-2, 4)

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