Question

solve the following by cross multiplication method
x/2+21(x/3-x/7)=x+27​

Answer 1

Cross multiplication method is deleted by cbse

Answer 2

Answer:

x=54/7

Step-by-step explanation:

x/2+21(x/3-x/7)=x+27

=>x/2+21[(7x-3x)/21]-x=27

=>x/2+21(4x/21)-x=27

=>x/2+4x-x=27

=>(x+8x-2x)/2=27

=>7x/2=27

=>7x=54

=>x=54/7