Question

Va rog!!! E urgent!!!! Ex 1!!! Va rog!!!

Answer 1

Răspuns:

kk deci

a) x +18=-2 |-18

x=-20

b) x-3=-29 |+3

x=-26

c)x+13=0 | -13

x=-13

d)x+9=3 |-9

x=-6

e) x-17=-51 | +17

x=-34

f)x+ (-5) =4

x-5=4 |+4

x=9

g) x+(-7)=-2

x-7=-2 |+7

x=5

h) x-(-2)=-4

x+2=-4 |-2

x= -6

i)-4+x=3 |+4

x=7

j)-10+x=2|+10

x=12

k)-12+x=-4 |+12

x=8

l)x-(-2)=3

x+2=3 |-2

x=1

m)x-(-6)=-3

x+6=-3 |-6

x=-9

n)x-(-8)=-10

x+8=-10 |-8

x=-18

o)x-(-5)=2

x+5=2 |-5

x=-3

p)x-(-4)=-3

x+4=-3 |-4

x=-7

sper ca ai inteles.