Q.2.
x+y=46
y-z=23
x-y+z=-7
Find the value of x ,y and z.
Answers
Answered by
0
Step-by-step explanation:
Squaring both sides
(x+y+z)
2
=x
2
+y
2
+z
2
+2(xy+yz+zx)
we can substitute given values
(x+y+z)
2
=18+(2×9)
(x+y+z)
2
=36
(x+y+z)=6
Answered by
1
Answer:
x=6, y=40 AND z=27, thank you very much
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