Question

今天没听课,作业有点难,请问这些题怎么做,

Answer 1

(1)3x + 5/2=2x - 1/3

3x-2x=- 5/2 -1/3

x= - 17/6

(2)x - 3/-5=3x + 4/15

x-3x=4/15 - 3/5

x=-1/30

(3)3y-1/4 —1=5y-7/6

3y-5y=-7/6+1/4

y=11/24

(4)5y+4/3 + y-1/4=2 — 5y-5/12

5y+y+5y=2 - 5/12 -4/3 + 1/4

y=6/132

过程也有了,o(∩_∩)o..