Solve the system by substitution.
y = x
y = 2x – 8
2 answers:
Answer:
y=8
x=8
Step-by-step explanation:
y=2y-8
-y=-8
y=8
x=8
Answer:
x =y= 8
Step-by-step explanation:
y = x
y = 2x – 8
Replace y with x
x = 2x-8
Subtract 2x from each side
x-2x = 2x-8-2x
-x = -8
Multiply each side by -1
x = 8
Now solve for y
y=x
y = 8
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