Y=x-4 2x+y=5 solve each system of linear equations by substitution

+6

(2) Answers

vickesters

x = 3 and y = -1
There is a website i use called mathpapa.com. Check it out!

Rena680

Substitute the x-4 in to the second equation for the y:
2x+(x-4)=5
2x+x-4=5
Combine like terms and add the 4 to both sides
3x=9
Divide by 3:
x=3
Substitute the 3 in for x in either equation and solve for y:
y=3-4
y=-1
Answer:
x=3
y=-1