Question

Va rog m-a puteți ajuta cu ex 5 ??? Multumesc !!

Answer 1

a.2x=1•4
2x=4 /:2
x=2

b.2x=3•5
2x=15/:2
x=7,5

c.2x=4•3
2x=12/:2
x=6

d.4x=3•12
4x=36/:4
x=9

e.13x=2•12
13x=24/:13
x=1,8

f.13x=4•6
13x=24/:13
x=1,8

g.21x=7•3
21x=21/:21
x=1

h.25x=3•1000
25x=3000/:25
x=120

i.46x=93•3
43x=279/:43
x=6,4

j.100x=25•7
100x=175/:100
x=1,75

k.25x=304•75
25x=22800/:25
x=912

l.23x=4•69
23x=276/:23
x=11,8