小学五年级数学解方程 5x-7.3=7.7

Question

如题所述

Answer 1

5x=7.7+7.3 5x=15 x=15÷5 x=3

Answer 2

5x-7.3=7.7
5x=7.7+7.3
5x=15
x=3本回答被网友采纳

Answer 3

5x-7.3=7.7
5x=15
x=3