Question

Stem of Equations
Substitute (2, 1) into x + 3y = 5 to get
=

Answer 1

see below!!

Explanation:

x + 3y = 5,

y = –x + 3

Substitute the point into each equation and verify that it is true

x + 3y = 5, 2 +3(1) = 5 5 = 5 true

y = -x +3 1 = -2+3 1=1 true

(2,1) is a solution