Question

solve it by using cross multiplication method ​

Answer 1

0.5x + 4 / 1.2x + 8 - 5/7 = 0

0.5x + 1.2x / 4 + 8 - 5/7 = 0

1.7x / 12 - 5/7 = 0

LCM of 12 and 7 = 84

11.9x - 108 = 0

11.9x = 0 + 108

x = 108/11.9

x = 9.07