1/7(x+14)=1/4(x+20)

1/7(x+14)=1/4(x+20)
1/7(x+14)=1/4(x+20)

1/7(x+14)=1/4(x+20)
1/7(x+14)=1/4(x+20)
1/7x+1/7*14=1/4x+1/4*20
1/4x-1/7x=2-5
3/28x=-3
x=-3÷3/28
x=-28

1/7(x+14)=1/4(x+20)
4(x+14)=7(x+20)
4x+56=7x+140
7x-4x=56-140
3x=-84
x=-28

1/7(x+14)=1/4(x+20)
4(x+14)=7(x+20)
4x+56=7x+140
56=3x+140
-84=3x
x=-28