Question

i. 2
7
−
9
4
=
5
3
j. −
3
10
+

2
= 0,5

Answer 1

Respuesta:

i.  2/7 . x -9/4=5/3

2/7 . x =5/3+9/4

2/7 . x =47/12

x=329/24

j.

-3/10+x/2=0.5

-3/10+x/2=5/10

x/2=3/10+5/10

x/2=8/10

x=8/5