How do I solve for Y=x-4 4x+y=26 (X,Y)

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asked Mar 26, 2018 53.4k views

5 votes

How do I solve for
Y=x-4
4x+y=26
(X,Y)

Mathematics
high-school

Lambo asked

by Lambo

7.8k points

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2 Answers

4 votes

4x+x-4=26
5x-4=26
+4 +4
5x=22
Divide by 5
x=4.4
y=4.4-4
y=0.4
(4.4,0.4)

Driton answered Mar 27, 2018

by Driton

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1 vote

4x+y=26 replace y with (x-4) & solve for x in this equation.
4x+(x-4)=26
4x+x=26+4
5x=30
x=30/5

x=6 answer.
y=6-4
y=2 answer.
Proof.
4*6+2=26
24=2=26
26=26 Y=x-4

Tea Tree answered Mar 31, 2018

by Tea Tree

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