jessicamaltsev170
jessicamaltsev170 jessicamaltsev170
  • 16-04-2021
  • Mathematics
contestada

Solve this system using substitution: y=5x and 7x-3y=32

Respuesta :

S1NGH
S1NGH S1NGH
  • 16-04-2021

Answer:

x = -4 and y = -20

Step-by-step explanation:

y = 5x and 7x - 3y = 32

→ Substitute y = 5x into 7x - 3y = 32

7x - 15x = 32

→ Simplify

-8x = 32

→ Solve

x = -4

→ Substitute x = -4 into y = 5x

5 × -4 = -20

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