3(2x+9)=39 3(3x-2)=66 2(4x-5)=14 2(3+2x)=32

3(2x+9)=39 6x + 27 =39 6x = 39 - 27 6x = 12 / 6 x = 2 3(3x-2)=66 9x - 6 = 66 9x = 66 + 6 9x = 72/9 x = 8 2(4x-5)=14 8x - 10 = 14 8x = 14 + 10 8x = 24/8 x = 3 2(3+2x)=32 6 + 4x = 32 4x = 32 - 6 4x = 26/4 x = 13/2 = 6,5

3(2x+9)=39 6x+27=39 6x=39-27 6x=12 /:6 x=2 3(3x-2)=6 2(4x-5)=14 2(3+2x)=32