已知代数式x-2/4比1/6(2x+3)的值大于2,x的值.
问题描述:
已知代数式x-2/4比1/6(2x+3)的值大于2,x的值.
答
x-2/4-1/6(2x+3) = 2
x-1/2 - 1/3 * x -1/2 = 2
2/3 * x - 1 = 2
2/3 * x = 3
x = 9/2 = 4.5