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Solve the system by substitution. у = x -2x + 4y = 16
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1 vote
Solve the system by substitution.
у = x
-2x + 4y = 16

User Mwe
by
7.0k points

2 Answers

2 votes

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

Explanation:

User Yoram
by
6.8k points
1 vote

Answer:

Explanation:

y = x

-2x + 4y = 16

-2x + 4x = 16

2x = 16

x = 8

y = 8

(8,8)

User Amritesh Anand
by
6.8k points
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