Question

3.2x-4*0.8=12.8这个方程怎么解

Answer 1

解：3.2X-4x0.8=12.8 3.2X-3.2=12.8 3.2X=12.8+3.2 3.2X=16 X=5

Answer 2

3.2x-3.2=12.8 3.2x=16 x=5

Answer 3

3.2x=16 x=5 望采纳！

Answer 4

3.2x=9.6,x=3