Question

l+m+n,l-m+n,l+m-n(add this algebraic expressions ​

Answer 1

Answer:

3l+m+n

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Step-by-step explanation:

l+m+n,l-m+n,l+m-n

1)l + l +l = 3l

2)m-m =0+m=m

3)n+n =2n-n =n

Answer is

3l +m+n

Answer 2

$\large\bf{\underline\orange{Answer \:↝}}$

Question :-

Add the algebraic equation :-

l + m + n, l - m + n, l + m - n

Answer :-

↪ l + m + n + l - m + n + l + m - n

↪ 3l + m + n