2. Jolinda needs to solve the system of equations below. 3x + 6y = 12
X + 2y = 4
She decided to use the substitution method.
Step 1:
3x + 6y = 12
x = 4 - 2
I
Step 2:
3(4 - 2y) + 6y = 12
Step 3:
12 - 6y + 6y = 12
Step 4:
y = 0
Step 5:
x= 4 - 2y = 4-20)
= 4