Question

sa se afle afle x numar natural:
a). x+5 = 71
b). 18-x = 7
c). 105÷x =5
d)3x=117​

Answer 1

a. x+5=71

x=71-5

x=66

b. 18-x=7

x=18-7

x=11

c. 105÷x=5

x=105÷5

x=21

d. 3x=117

x=117÷3

x=39

Answer 2

Răspuns:

Explicație pas cu pas:

a) x=71-5=66

b)x=18-7=11

c)x=105:5=21

d)x=117:3=39