Răspuns:
Explicație pas cu pas:
336 + ( x + 2 )/44 - 111 × ( 1 + 2 + 3 × 2 ) / 3 = 7/2
336 + ( x + 2 )/44 - 37 × 9 = 7/2
( x + 2 ) /44 = (7/2 ) + 333 - 336
( x + 2 )/44 = 7/2 - 3
( x + 2 ) / 44 = 7/2 - 6/2
(x + 2 )/44 = 1/2
2(x+2) = 44
2 x + 4 = 44
2 x = 44 - 4
x = 40/2
x = 20
