Question

x/3 = 2x/ 7+ 1

Find the value of x.

Answer 1

$x \div 3 - 2x \div 7 = 1 \\ x \div 21 = 1 \\ \\ x = 21$

Answer 2

x/3 - 2x/7 = 1

7x/21 -6x/21=1

taking LCM

x/21=1

by cross multiplication

x=21