Question

(1)1又5分之3x+3又2分之1=8 (2) 4.3x-2.8x=15 (3) 6x-2.5=9.5

Answer 1

(1)1又5分之3x+3又2分之1=8

8x/5=8-7/2

16x=45

x=45/16

(2) 4.3x-2.8x=15

1.5x=15

x=10

(3)

6x-2.5=9.5

6x=9.5+2.5

6x=12

x=2