Question

What should be subtracted from 6mn - 7nl + 2lm to get 3mn + 5nl - Im?
answer is 3mn-12nl+3lm solve and tell how we get this answer

please thanks on my answers I will follow you ​

Answer 1

Answer:

LET THE NO. BE A

A-(6mn-7nl+2lm)=>3mn+5nl-lmA−(6mn−7nl+2lm)=>3mn+5nl−lm

A-6mn+7nl-2lm=>3mn+5nl-lmA−6mn+7nl−2lm=>3mn+5nl−lm

A=>3mn+5nl-lm+6mn-7nl+2lmA=>3mn+5nl−lm+6mn−7nl+2lm

A=>3mn+6mn+5nl-7nl+2lm-lmA=>3mn+6mn+5nl−7nl+2lm−lm

A=>9mn-2nl+lmA=>9mn−2nl+lm ANSWER...