If it's not what You are looking for type in the equation solver your own equation and let us solve it.
X/7=X/21=7/49
We move all terms to the left:
X/7-(X/21)=0
We add all the numbers together, and all the variables
X/7-(+X/21)=0
We get rid of parentheses
X/7-X/21=0
We calculate fractions
There is no solution for this equation
| (x+1)^2+(-3+6)^2=25 | | 1/2x4=9 | | (x+1)^2+(-3-6)^2=25 | | 67=4w-13 | | 2v+14=36 | | (8-x)/3=(x+5)/10 | | 4w+13=20 | | 2x+14=6x-8 | | 6+31y=-3 | | (18/x^2-3x)-(6/x-3)=5/x | | (3w-7)(5w-1)=0 | | • (18/x^2-3x)-(6/x-3)=5/x | | -2d=8,6 | | 7x+7+62=90 | | 7y-3=-19 | | (2x^2-6x-3)-(x^2+4)=x^2+6 | | 100=t+273 | | 3x-9/5=-18 | | 2x1x=-525 | | 14x+14=180 | | 0=t+273 | | (4x+3x+1)-(4x^2-2)=5x-2 | | 7(x+1)=62 | | 24+9y=17y | | 3x-x+8=2(x+4) | | (6x-1)-1=7(x+6) | | 3x(7x-4)=0 | | 2a+6+5a=3a+10 | | 8^3x=11^4x+4 | | -3v-14=6v-51 | | 4/(x-3)+5=2 | | 5(x-1)-19=-44 |