Răspuns :
8×3 = (x+3) × 4
24 = 4x + 12
-4x = -24 + 12
-4x = -12
x = -12 : (-4)
x = 3
24 = 4x + 12
-4x = -24 + 12
-4x = -12
x = -12 : (-4)
x = 3
x+3 supra 8 = 3 supra 4
(x+3)×4=8×3
4x+12=24
4x=24-12
4x=12 , 12÷4=3,
x=3
(x+3)×4=8×3
4x+12=24
4x=24-12
4x=12 , 12÷4=3,
x=3