Question

X + 4. (X - 1) = 9 - 2. (X + 3)

Answer 1

Resposta:

x+4.(x-1)=9-2.(x+3)

x+4x-4=9-2x-6

5x+2x=9-6+4

7x=3+4

7x=7

x=7/7

x=1