Question

Use the substitution method to solve the following system of equations.
x + y = 3
2x + 2y = 10

a. (1, 2)
b. (2, 3)
c. No Solutions
d. Infinitely Many Solutions

Answer 1

x + y = 3
-y -y
x = -y + 3

2(-y + 3) + 2y = 10
-2y + 6 + 2y = 10
-6 -6
y = 4

x + 4 = 3
x = - 1

Answer 2

i believe there is "no solution"

Answer 3

you would be correct.

Answer 4

Thank you!