Question

5. (x+2)-40=80+20-2x me ajudem mas tenham certeza que ah resposta vai tá certa♥

Answer 1

5.(x+2)-40=80+20-2x
5x + 10 - 40 = 80 + 20 - 2x
7x = 80 + 20 - 10 + 40
7x = 130
x = 130/7

Answer 2

Ta ai meu querido, a resoluão:
$5.(x+2)-40=80+20-2x \\ 5x+10-40=100-2x \\ 5x-30=100-2x \\ 5x+2x=100+30 \\ 7x=130 \\ x=130/7 \\ x=18,5$