Question

tìm x : 7x + x5 - 100 = 19

Answer 1

7x + x5  - 100 = 19

x.( 7 + 5 ) = 19 + 100

12x = 119

x = 119 : 12

x = 119/12

Answer 2

Ta có : 7x + x5 - 100 = 19

=> 12x - 100 = 19

=> 12x = 100 + 19 = 119

x = 119 : 12 =119/12 

Ủng hộ mik nhá

Answer 3

7x + x5 - 100 = 19

12x - 100 = 19

12x = 119

x = 119 : 12

x = \(\frac{119}{12}\)

Answer 4

Suy ra:12x—19=100

12x=119

x=119/12

Answer 5

7x+5x-100

12x-100=19

12x=100+19

12x=119

x=119/12