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camilaclavijo30 camilaclavijo30
  • 04-05-2014
  • Mathematics
Answered

What is the solution to this system of linear equations: y-x=4 and y+2x=1


1) (-1,3)

2) (0,4)

3) (1,-1)

4) (-3,3)

Verified Answer :

HunterX
HunterX HunterX
  • 04-05-2014

y-x=4
y+2x=1

3x=-3
x=-1

substitute to any equation
y-x=4
y+1=4
y=3

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