3/a+4=21/a+1

Simple and best practice solution for 3/a+4=21/a+1 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3/a+4=21/a+1 equation: 



3/a+4=21/a+1

We move all terms to the left:

3/a+4-(21/a+1)=0



Domain of the equation: a!=0

a∈R





Domain of the equation: a+1)!=0

a∈R



We get rid of parentheses

3/a-21/a-1+4=0

We multiply all the terms by the denominator


-1*a+4*a+3-21=0

We add all the numbers together, and all the variables

3a-18=0

We move all terms containing a to the left, all other terms to the right

3a=18

a=18/3

a=6

See similar equations:

| -33=-8+r/15 | | 9+(x/4)=16 | | (8x+20)+(3x-5)=180 | | k+29=37 | | 20p+150=750 | | 3/a-4=21/a+1 | | 6(-x+3)=-6 | | X/2-5=2x+9 | | y-(-15)=-17 | | 2=1+k/9 | | 15r=8+3r | | 20p+150=630 | | 9x(x-4)=81 | | -7(-5-2x)+4x=179 | | y2+13y=-8y | | 20-k=11 | | Y+x+100+50=360 | | (2x+11)+(7x-14)=(3x-7) | | 15-2a=4a-3 | | (-5)-x=-13 | | n/6=5/25 | | 3m-1=-5 | | 3m-11=7(m+3) | | -3x-1=x+35 | | (3x+13)+(9x-14)=(x+8) | | 3y+5=8+6y | | 2(6+4n)+2=-28+n | | p-8/10=1 | | (x+1)*1=(4+3)*3 | | -2(1+8b)=14-8b | | -7x-7=-7(1+6x) | | 150=20w |

Equations solver categories