Question

Rezolvati urmatoarele ecuatii,unde x este numar natural
a)x+7=16 g)x+(7-5)=4
b)x-12=3 h)(8-5+4)+x-15=6
c)x+(8-6)=12 i)x-3-5-7-16=1
d)x-(4+5)=2 j)10+x-6+4=20
e)14-x=8 k)7-x+5=4
f)x-2+3+5=12 l)(6-4+x)-2=8

Answer 1

a)x=16-7
x=9
b)x=12+3
x=15
c)x+2=12
x=12-2
x=10
d)x-9=2
x=9+2
x=11
e)x=14-8
x=6
f)x-10=12
x=12+10
x=22
g)x+2=4
x=4-2
x=2
h)7+x-15=6