Question

Simplify by combining like terms -(m+n)+2 (m-3n)​

Answer 1

m -7n

Explanation:

-(m+n)+2 (m-3n)​, distribute in the first parenthesis the -1 and in the second parentheses the 2

-m -n + 2m -6n , group like terms

-m + 2m -n -6n , combine like terms

m -7n

Answer 2

-(m+n)+2(m-3n)

-m+n+2m-6n

-m+2m+n-6n

m-5n