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a fost răspuns

A) (23-5 ori x):9=2

B) 24:(5-x)=6

C) 32:(13-5 ori x)=4

D) 3 ori x-15:3=19+3

E) 5 ori x-21:7=4-13

F) 13-14:x=18-17

Răspuns :

Renatemambouko
A) (23-5x):9=2
23-5x=18
5x=23-18
5x=5
x=1
 
B) 24:(5-x)=6
5-x=4
x=1

C) 32:(13-5 x)=4
13-5x=8
5x=13-8
5x=5
x=1

D) 3x-15:3=19+3
3x-5=22
3x=27
x=9

E) 5x-21:7=4-13
5x-3=-9
5x=-6
x=-6/5

F) 13-14:x=18-17
13-14:x=1
14:x=12
x=14:12
x=7/6



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