Question

帮我解下列方程：13.2x+9x=33.3 8x-3x=105 5.4x+3x=12.8 x-0.36x=16

Answer 1

13.2x+9x=33.3

22.2x=33.3

x=1.5

8x-3x=105

5x=105

x=21

5.4x+3x=12.8

8.4x=12.8

x=1.5238

x-0.36x=16

0.64x=16

x=25