Question

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

Answer 1

x = 1 and y =1

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