Math, asked by gourangamandal1974, 1 year ago

2N-D=1
N-D=-3


PLZZZZZZ SLOVE IT

Answers

Answered by rlakshmi01
2

Answer:

N=4 and D=7

Step-by-step explanation:

2N-D=1  ---------------------------------(1)

N-D=-3  ---------------------------------(2)

From (2),

 D=N+3. --------------------------------(3)

By substituting (3) in (1),

2N-(N+3)=1

2N-N-3=1

N-3=1

N=3+1

N=4  ----------------------------------------(4)

By substituting (4) in (3),

D=4+3

D=7


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