Solve and verify 5n - (3n-1)=n-4
Answers
Answered by
2
5n-(3n-1)=n-4
5n-3n+1=n-4
2n+1=n-4
2n-n=-4-1
n=-5
Verification:
5×-5-(3×-5-1)=-5-4
-25-(-15-1)=-9
-25-(-16)=-9
-25+16=-9
-9=-9
hope it helps..
Answered by
0
Answer:
n = -5
Solution:
We have ;
=> 5n - (3n - 1) = n - 4
=> 5n - 3n + 1 = n - 4
=> 5n - 3n - n = - 4 - 1
=> n = -5
Varification:
LHS = 5n - (3n - 1)
= 5×(-5) - (3×(-5) - 1)
= -25 - (-15 - 1)
= -25 - (-16)
= -25 + 16
= -9
RHS = n - 4
= -5 - 4
= -9
Since , LHS = RHS
Hence verified .
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