Question

解方程-2x-15=2(x-3)

Answer 1

-2x-15=2(x-3)

-2x -15 = 2x -6

- 9 = 4x

x = -9/4

方程3|x|-1=2分之3,则x的值为（±5/6 ）

3|x|=5/2

|x|= 5/6

x = ±5/6