Question

Solve the equation, using the domain of x = {-1, 0, 2}. Write your solutions as a set of ordered pairs.

2x + 3y = 7

Answer 1

x = {-1, 0, 2}

2x+3y=7
2(-1)+3y=7
-2+3y=7
3y=9
y=3

(-1,3)

2x+3y=7
2(0)+3y=7
3y=7
y=7/3

(0,7/3)

2x+3y=7
2(2)+3y=7
4+3y=7
3y=3
y=1

(2,1)