Question

123*X+128*X+1996=16052

TIM X?

Answer 1

< = > 251x + 1996 = 16052

251x = 16052 - 1996 = 14056

x = 14056/251 = 56 

Answer 2

x*(123+128)=16052-1996

x*251=14056

x=14056:251

x=56

Answer 3

123*X+128*X+1996=16052

=> (123+128)*X=16052-1996

<=> 251*X=14056

=> X=14056/251

<=> X=56