7,5 * x + x * 3,5 = 39,93
x * (7,5 + 3,5) = 39,93
x * 11 = 39,93
x = 39,93 : 11
x = 3,63
x : 4 + x = 3,75
x : (4 + 1) = 3,75
x : 5 = 3,75
x = 3,75 * 5
x = 18,75
(7,5+3,5)*x=39,93 x:4+x=3,75
11*x=39,93 x:4+x:1=3,75
x=39,93:11 x:(4+1)=3,75
x=3,63 x:5=3,75 x=3,75*5 x= 18,75
x * ( 7,5 + 3,5 ) = 39,93
x * 10 = 39,93
x = 39,93 : 10
x = 3,993
x : 4 + x = 3,75
x : 4 + x : 1 = 3,75
x : ( 4 + 1 ) = 3,75
x : 5 = 3,75
x = 3,75 : 5
x = 0,75