Question

104:[(X-3x8)x2:8]=13 repede va rog

Answer 1

[(x-3×8)×2:8]=13×104
(x-3×8)×2:8=1352
(x-3×8)×2=1352×8
(x-3×8)×2=10816
x-3×8=10816÷2
x-3×8=5408
x-3=5408÷8
x-3=676
x=676+3
x=679
Solutie { x=679}