a) (190-2x) : 35 -32 = 16
=> (190-2x) : 35 =16+32
=> (190-2x) : 35 =48
=> 190-2x = 48.35 = 1680
=> 2x = 190-1680 = -1490
=> x = -1490/2= -745
b) (x : 23 + 45) . 37 -22 =2^4.105
=> (x : 23+45).37=2^4.105+22=1702
=> (x : 23 +45) = 1702/37 = 46
=> x : 23 = 46- 45 =1
=> x = 23
a) ( 190 - 2x ) : 35 - 32 = 16
( 190 - 2x ) : 35 =48
190-2x=1680
2x=-1490
x=-745
b) ( x : 23 + 45) . 37 - 22 = 24 . 105
( x : 23 + 45) . 37 - 22 = 1680
( x : 23 + 45) . 37 =1702
x : 23 + 45= 46
x:23=1
x=23
a) ( 190 - 2x ) : 35 -32 = 16
( 190 -2x ) : 35 = 48
190 - 2x =1680
2x =-1490
x =-745
b) ( x : 23 +45 ) . 37 - 22 = 24 . 105
( x : 23 +45 ) . 37 - 22 =1680
( x : 23 +45 ) . 37 =1702
( x : 23 +45 ) =46
x : 23 =1
x =23