yvasmin1 yvasmin1

17-09-2020
Mathematics

contestada

Solve the system of equations using substitution:
ſx + 4y = 15
(2x – y=-15

Respuesta :

meredith48034 meredith48034

18-09-2020

Answer:

Step-by-step explanation:

x + 4y = 15

8x - 4y = -60

9x = -45

x = -5

-5 + 4y = 15

4y = 20

y = 5

(-5, 5)

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