Question

Rezolvati in multimea N efectuind si verificarea:
a)x+18=24
b)a+35=20
c)8z=160
d)5y=18
e)x:12=96
f)t:6=100
g)9x-1=0
h)4x-20=0

Answer 1

x+18=24
x=24-18
x=6

a+35=20
a=20-35
a=-15

8z=160
z=160:8
z=20

5y=18
y=18:5
y=3,6

x:12=96
x=96x12
x=1152

t=100x6
t=600

9x-1=0
9x=1
x=1:9
x=0,1

4x-20=0
4x=20
x=20:4
x=5