Am nevoie urgent,dau coroana​

Răspuns:

A) este deja rezolvat

B) 12+x=19

X=19-12 => x=7

C) x-6=5

X=6+5 => x=11

D) x-13=22

X=13+22 => X= 35

E) 19-x=8

X=19-8 => x=11

F) 2*x+3=17

2x=17-3 => 2x=14 => X=7

G) 4*x+7=27

4x=27-7 => 4x=20 => X=5

H) 9+3*x=51

3x=51-9. => 3x=42 => x=14

i) 5*x=75

X=75:5 => x=15

j) x*6=144

X=144:6 => X=24

K) 2*4*x=320

8*x=320 => X=320:8 => X=40

L) 5*x:7=175

5x=175*7 => 5x=1225 =>

=> X=1225:5 => x=245

Sper ca te-am ajutat!

b)12+x=19

X=19 - 12

X=7

c) x-6=5

X=5+6

X=11

d)x-13=22

X=22+13

X=35

e)19-x=8

X=19-8

X=11

f)2xX+3=17

2x+3=17

2x=17-3

2x=14

X=14:2

X=7

Sper ca te-am ajutat scz am putina trb dar imi favui putin timp ca sa incerc sa te ajut