(3.2+0.8)x=28.84x=28.8x=28.8÷4x=7.2
(3.2+0.8)X=28.8 X=28.8÷4 X=7.2
3.2x+0.8x=28.8(3.2+0.8)x=28.84x=28.8x=28.8÷4x=7.2