Question

Afla numerele necunoscute :47+A x 6=89 63-54:b=54 Cx8-17=55

Answer 1

a) 47 + A x 6 = 89
    A x 6 = 89 - 47
    A x 6 = 42
    A = 42 : 6
    A = 7

b) 63 - 54 : B = 54
    54 : B = 63 - 54
    54 : B = 9
    B = 54 : 9
    B = 6

c) C x 8 - 17 = 55
    C x 8 = 55 + 17
    C x 8 = 72
    C = 72 : 8
    C = 9

(sper că te-am ajutat :D)

Answer 2

47+a*6=89
a*6=89-47
a*6=42
a=42:6
a=7

63-54:b=54
54:b=63-54
54:b=9
b=54:9
b=6

c*8-17=55
c*8=55+17
c*8=72
c=72:8
c=9