Question

x/3-x/5+2x/7-3x/4=3 1/2 linear equations​

Answer 1

Answer:

x/3 - x/5 + 2x/7- 3x/4= 3 x 1/2

take lcm.

lcm= 420

=x-x+2x-3x/420=3 x 1/2

= -x/420=3 x1/2

take the 420 to right side. then,

= -x= 3 x 1/2 /420

-x = 630

x= 630