Question

qual o calculo e resposta de 2(x+15)=180?

Answer 1

2(x+15)=180
2x+30=180
2x=180-30
2x=150
x= 150:2=75

Answer 2

2(x+15)=180
2x+30=180
2x=180-30
2x=150 <<(( o 2 tá multiplicando passa dividindo ))
x= 150/2
x=75
_______________________________________///////////////////////////////////////////
R:>> x=75
_______________________________________///////////////////////////////////////////

Bons estudos !!! :-)