Solve the system by substitution.
у = x
-2x + 4y = 16
2 answers:
Answer:
Step-by-step explanation:
y = x
-2x + 4y = 16
-2x + 4x = 16
2x = 16
x = 8
y = 8
(8,8)
Answer:
Since y=x, then both variables must be the same.
-2x + 4y= 16
You have to have 16 on both sides
-2(8) + 4(8)=16
-16 + 32= 16
16=16
Step-by-step explanation:
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