Question

resolva IR da equação 5x-1/2 -x/3=142/15

Answer 1

5x - 1/2 - x/3 = 142/15
(5x/1 (×3)) - x/3 = (142/15 (×2)) + (1/2 (×15))
15x/3 - x/3 = 284/30 + 15/30
14x/3 = 299/30
14x = 299/30 . 3
14x = 897/30
x = 897/30/14
x = 897/30 . 1/14
x = 897/420
x = 2,13571429...