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Zolol [24]
3 years ago
14

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

Mathematics
2 answers:
Elza [17]3 years ago
8 0
X = 3 and y = -1
There is a website i use called mathpapa.com. Check it out!

alisha [4.7K]3 years ago
3 0
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
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