pls help me with this problem
you have to find the value of the variables
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x-y+z=4
x=4+y-z
Substituting. X in 2
x+y+z=2
4+y-z+y-z=2
4+2y=2
2y=-2
y=-1
Substituting y in x
x=4+y-z
x=4-1-z
x=3-z
Substituting x in 3
2x+y-3z=0
2(3-z)-1-3z=0
6-2z-1-3z=0
5-5z=0
z=1
x=3-z
x=3-1
x=2
Hope it helps you
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