解方程．150%x+66=99x+6-0.8x=16x3-x4=1.235x-5%x=5.5．

Question

解方程．

150%x+66=99

x+6-0.8x=16

(x)/(3) -(x)/(4) =1.2

(3)/(5) x-5%x=5.5 ．

Answer 1

150%x+66=99
1.5x+66=99
1.5x=33
x=22

x+6-0.8x=16
0.2x+6=16
0.2x=10
x=50

(x)/(3) -(x)/(4) =1.2
(1)/(12) x=1.2
x=14.4

(3)/(5) x-5%x=5.5
0.55x=5.5
x=10