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Solve the system using substitution. y = 4x – 8 y = 2x + 10
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3 votes
Solve the system using substitution.
y = 4x – 8
y = 2x + 10

User Sunding Wei
by
7.0k points

2 Answers

4 votes
(y=4x-8)-(y=2x+10)
0=2x-18
By moving x to other side
2x=18
Dividing by 2
X= 9
Putting the value of x in any equation
y=4(9)-8 = 36-8 =28
Y=28
User Giuseppe Ottaviano
by
7.0k points
3 votes

Answer:

9,28

Explanation:

see image below:)

Solve the system using substitution. y = 4x – 8 y = 2x + 10-example-1
User Khebbie
by
7.9k points
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