Question

Caucule (7m+n+2p)-(2m+3n-5p)=

Answer 1

7m-2m+3n+n-5p+2p (reduzindo em termos semelhantes)
5m+4n-3p

Answer 2

.
$(7m+n+2p)-(2m+3n-5p)= \\ \\ 7m+n+2p-2m-3n+5p= \\ \\ 7m-2m+n-3n+2p+5p= \\ \\ 5m-2n+7p$