(x -45).27=0 23.(42-x)=23
(x-45) =0:27 42-x =23:23
(x-45) =0 42-x=1
x =0+45 x=42-1
x = 45 x=41
( x - 45 ) . 27 = 0
( x - 45 ) = 0 : 27
x - 45 = 0
x = 0 + 45
x = 45
23 . ( 42 - x ) = 23
( 42 - x ) = 23 : 23
42 - x = 1
x = 42 - 1
x = 41
(x -45).27=0
23.(42-x)=23
( x - 45 ) . 27 = 0
( x - 45 ) = 0 : 27
x - 45 = 0
x = 0 + 45
x = 45
23 . ( 42 - x ) = 23
( 42 - x ) = 23 : 23
42 - x = 1
x = 42 - 1
x = 41
