" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
2 {(12×9) + 12t + 9t = 426
2 (108 + 12t + 9t) = 426
2 (108 + 21t) = 426
216 + 42t = 426
42t = 426 - 216
42t = 210
t = 210 / 42
t = 5