Question

小学五年级 数学 急 请详细解答,谢谢! (25 16:26:51)

150+50x=240-70x              x的解

Answer 1

50x+70x=240-150
120x=90
x=3/4

Answer 2

150+50x=240-70x
70x+50x=240-150
120x=90
x=90÷120
x=3/4

Answer 3

50x+70x=240-150
120x=90
x=0.75

Answer 4

150+50x=240-70x
解：50x+70x=240-150
120x=90
x=0.75

Answer 5

50X+70X=240-150
120X=90
X=90/150=3/5=0.6

Answer 6

150+50X=240-70X
50X+70X=240-150
120X=90
x=90/120
x=3/4
x=0.75