Question

[6x(12:x+56):3-18]x7+78=792 Ajutati-ma va rog!!

Answer 1

[6×(12:x+56):3-18]×7+78=792
[6×(12:x+56):3-18]×7=792-78
[6×(12:x+56):3-18]×7=714
6×(12:x+56):3-18=714:7
6×(12:x+56):3-18=102
6×(12:x+56):3=102+18
6×(12:x+56):3=120
(12:x+56):3=120:6
(12:x+56):3=20
12:x+56=20×3
12:x+56=60
12:x=60-56
12:x=4
x=12:4
x=3

Sper ca te-am ajutat!