Question

Rezolvati urmatorele ecuatii,unde x este numar naturan

a) x + 7=16
b) x-12=3
c) x +(8-6) = 12
d) x -(4+5) = 2
e) 14- x =8
f)x-2+3+5=12
g)x+(7-5)=4
h)(8-5+4)+ x15 = 6
i)x-3-5-7-16=1
j)10+ x-6+4=20
k) 7-x+5=4
l) (6-4+x)-2=8

OFER CORONA PRIMULUI RASPUNS BUN!!

Answer 1

a) x + 7=16
x=16-7
x=9
b) x-12=3
x=3+12
x=15
c) x +(8-6) = 12
x+2=12
x=12-2
x=10
d) x -(4+5) = 2
x-9=2
x=2+9
x=11
e) 14- x =8
x=14-8
x=6
f)x-2+3+5=12
x+6=12
x=6
g)x+(7-5)=4
x+2=4
x=2
i)x-3-5-7-16=1
x-31=1
x=30
j)10+ x-6+4=20
x+8=20
x=12
k) 7-x+5=4
x=8
l) (6-4+x)-2=8
2+x-2=8
x=8