Plz solve this question in step by step
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Answered by
0
Answer:
x=4,y=1,z=2
Step-by-step explanation:
x+y+z=7
=4+1+2=7
x+y=5
=4+1=5
y+z=3
=1+2=3
Answered by
1
Answer:
(b) option is correct
Step-by-step explanation:
x+y+z=7--------(1)
x+y=5------(2)
y+z=3------(3)
first equation:
substitute (2) in (1)
5+z=7
z=2-----(4)
substitute (4) in (3)
y+2=3
y=1-----(5)
substitute in (4) and (5) in (1)
x+1+2=7
x+3=7
x=7-3
x=4
hence answer is (b)
hope it's helful
mark me as branliest if its correct
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