Question

resolva a equaçao 3(3-x)=3(x-4)+15

Answer 1

3(3-x)=3(x-4)+15

9 - 3x = 3x - 4 + 15

3x + 3x = 9 + 4 - 15

6x = - 2

x = - 2  ou x = - 1
        6               3