Question

3x-2/3 -2{x+2}/2 =18 como faço ?

Answer 1

3x-2/3-2(x+2)/2=18

3x-2/3-(x+2)=18

3x-2/3+x-2=18

3x+x-2/3-2=18

4x-8/3=18

4x=18+8/3

4x=62/3

x=(62/3)/4

x=62/12

x=31/6