a substitution for y=x-6 y=8x+1

Question

substitution

Answer 1

x-6 = 8x+1

7x = -7

x =-7/7 = -1

y =-7

(x,y) = (-1,-7)

graph the two equations, they intersect at (-1,-7)

use a graphing calculator, such as Desmos online

or a handheld calculator