Question

10x-5+(1+x)=3(2x-2)-20

Answer 1

10x-5+(1+x)=3(2x-2)-20
10x - 5 + 1 + x = 6x - 6 - 20
10x + x - 6x = - 6 - 20 - 1 + 5
11x - 6x =  - 27 + 5
 5x = - 22
x = - 22/5  ou  - 4,4

S[- 22/5  ou  - 4,4]

Answer 2

10x-5+(1+x)=3(2x-2)-2010x+x-6x=5-6-20
5x=-21x=-21sobre 5 :D ESPERO TER AJUDADO