Question

35×5-57:x×9=139
x=?
Cât reprezintă x?

Answer 1

175-57:X*9=139 \\ -57:X*9=-36 \\ -57:X=-4 \\ X= -4*(-57) \\ X= 228 { * = inmultit }

Answer 2

35x5-57:X×9=139
175-57:X×9=139
57:Xx9=175-139
57:X×9=36
57:X=36:9
57:X=4
X=57:4
x=14,25
V: 35x5-57:14,25x9=139
  175-4x9=139
  175-36 = 139
R: X=14,25