Respuesta :

Apocrophon
Okay, so first you need to understand/recall that the expression can be simplified by distributing the -1 into the parentheses:

[tex] (2m+7)-(3-4m)\\\\(2m+7)+(-1)(3-4m)\\\\2m+7+(-1*3)+(-1*-4m)\\\\2m+7-3+4m\\\\(2m+4m)+(7-3)\\\\6m+4\ is\ your\ answer.[/tex]
yminose731

1. simplify 2m+7-3+4m

2. gather like terms (2m+4m)+7-3

3. simplify 6m+7-3

4. simplify 6m+4

the answer is 6m+4 

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