Math, asked by neiltyson, 1 year ago

2x - y+ 3z = 9
x + y + z = 6
x - y + z = 2
Solve it.

Answers

Answered by Aritra01
2
adding 2 and 3,
2x + 2z = 8
x + z = 4. ......(1)
put in equation 2 ,
y + 4 = 6
y = 2
put in equation 1
2x - 2 +3z =9
2x + 3z = 11...... (2)
now solve obtained equations (1) and (2)
neiltyson: Z=3 and x=1
Aritra01: yep !
neiltyson: Hi
neiltyson: Ok
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