Question

[(872:8-392:4)•6:33-2•X]-8=5•15-25•3

Answer 1

[(109-98)×6:33-2×X]-8=75-75
[11×6:33-2×X]-8=0
66:33-2×X-8=0
2-2×X-8=0
2(1-X)=8
1-X=8/2
1-4=X
-3=X
inlocuim x
2-2×(-3)-8=0
2-(-6)-8=0
2+6-8=0
8-8=0
0=0

Answer 2

[(109-98)x6:33-2xX]-8=0
(11x6:33-2xX)-8=0
(2-2xX)-8=0
2-2X=8
-2x=8-2=6
x=6:(-2)
x=-3