Question

Va rog mult!!!!!!!!!!!!!!!!!!!!!!! Nu stiu cum se fac plssssss!!!! Va implor! Dau coroana

Answer 1

Răspuns:

144÷12+5=x de aici găsești tu

Answer 2

12•(x-5)=144

12x-60=144

12x=144+60

x=204:12

x=17

15•(18-x)=180

270-15x=180

270-180=15x

x=90:15

x=6

63:(x-2)=7

63=7(x-2)

63=7x-14

63+14=7x

x=77:7

x=11

9•(2x+1)=153

18x+9=153

18x=153-9

x=144:18

x=8

14x+28x=588

42x=588

x=588:42

x=14