zoecastillo99 zoecastillo99

09-04-2021
Mathematics

contestada

-7x + 2y = -5
y = -7x + 8
explain how please

Respuesta :

zamonwusah zamonwusah

10-04-2021

Answer:

x = 1 and y =1

Step-by-step explanation:

y = -7x + 8

sub into other eq

-7x + 2(-7x + 8) = -5

-7x - 14x + 16 = -5

-21x = -21

x - 1

y = -7(1) + 8

y = 1

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