Question

resolva essa equaçao : 5(x-1)-19=3(x-2)

Answer 1

5x-1-19=3x-2
5x-3x-20=-2
2x=-2+20
2x=18(pq 20-2=18)
x=18 dividido por 2
x=9

Answer 2

5(x-1)-19=3(x-2)

5x-5-19=3x-6

5x-3x=-6+5+19

2x=-6+24

2x=+18

x=18\2

x=9 

Espero ter ajudado!!!