Question 179830
x+y+z=44
z-x=14
z=x+y
x+y+(x+y)=44
2x+2y=44
x+y+z=44 ( multiply this equation by -2 *& add it to the previous equation
-2x-2y-2z=-88
2x+2y=44
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-2z=-44
z=-44/-2
z=-44/-2
z=22 ans.
22-x=14
-x=14-22
-x=-8
x=8 ans.
22=8+y
y=22-8
y=14 ans
Proof:
x+y+z=44
8+14+22=44
44=44