Question

Resolva: (2x + 4y + 5) - (2x + 2y + 3) + (+4x + y + 4)​

Answer 1

Resposta:

$\left(2x+4y+5\right)-\left(2x+2y+3\right)+\left(4x+y+4\right)\\\\\mathrm{Remover\:os\:parenteses}:\quad \left(a\right)=a\\\\2x+4y+5-\left(2x+2y+3\right)+4x+y+4\\\\2x+4y+5-2x-2y-3+4x+y+4\\\\4x+3y+6$