Question

b) 10(x - 1) - 12(x - 1) - 1 = 0

Answer 1

Resposta:

10x-10 + 12x+12-1

10x-12x=12+10

2x=22

x=11

Answer 2

Resposta:

x= 1/2

Explicação passo-a-passo:

10(x-1)-12(x-1)-1=0

10(x-1)-12(x-1)=1

(10-12)×(x-1)=1

-2(x-1)=1

x-1= - 1/2

x= 1/2 + 1

x= 1/2