Question

tìm số nguyên x, biết 
a - ( 27 - 3 ) = x - ( 13 - 4 )

 

Answer 1

a - (27 - 3) = x - (13 - 4)

=> a - 24 = x - 9

=> a - 24 + 9 = x

=> x = a - 15

Answer 2

 

a - ( 27 - 3 ) = x - ( 13 - 4 )

a - 24 = x - 11

x = a - 24 + 11

x = a - 13

 

Answer 3

a-(27-3)=x-(13-4)

=>a-24=x-9

=>a-24+9=x

=>x=a-15

Answer 4

A) = -15 

TICK NHA !