Question

Resolva a equação de 1°grau com a conta armada
7(3x-6)+4(3x+2)+6(x+2)=2(4x-12)+3(13x+10)+20

Answer 1

Explicação passo-a-passo:

7(3x-6)+4(3x+2)+6(x+2)=2(4x-12)+3(13x+10)+20

21x-42+12x+8+6x+12=8x-24+39x+30+20

21x+12x+6x-42+8+12=8x+39x-24+30+20

39x-22=47x+26

39x-47x=26+22

-8x=48

x=-48/8

x=-6