If it's not what You are looking for type in the equation solver your own equation and let us solve it.
18/21=6/n
We move all terms to the left:
18/21-(6/n)=0
Domain of the equation: n)!=0We add all the numbers together, and all the variables
n!=0/1
n!=0
n∈R
-(+6/n)+18/21=0
We get rid of parentheses
-6/n+18/21=0
We calculate fractions
There is no solution for this equation
| -2-5=2-4x-(x-1) | | -1(12-5x)=-1(10x+1)+4 | | 92=950/g | | X-96=x*8/2 | | 10^x-4=96 | | 1/2x+16=19 | | 11x+23=145 | | 2x²+2x-4=0 | | -6(x-7)-x=2(x+4)-9x | | 12a^2+5a=0 | | 8x^2+2x-31=0 | | 8x+35=145 | | 3/8q=24 | | –2r+12+5r–18=–30 | | y+2y+y^2=+5+y | | H(a)=3-2a2 | | -2=(3/2)(x+3) | | 6(2+9k)=34k= | | 5x+12=4x+24 | | 5x-11=-3x+29 | | x2+14x=39 | | 31-7p=-7(p-5) | | 2x+109=85 | | 8n+7=3` | | 2x^2-3x-5=-5 | | 21-7v+v-14=7+6v | | 7(2y-8)=1= | | 7(+2)-10=7x+4 | | 4=⅔(6g+9) | | 90+(4x-8)+(6x+13)=180 | | 1/8(2x+4)=1/4 | | 23x+2=4 |