Question

3(x－5)＝2(5－x)请问怎么解

Answer 1

3(x-5)=2(5-x) [此处要简化]

3x-15=10-2x [此处要两边(假设)加上2x,要让两边‘相等’]

5x-15=10

5x=10+15

5x=25

x=25÷5

x=5