3/x+8=21

Simple and best practice solution for 3/x+8=21 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/x+8=21 equation:



3/x+8=21
We move all terms to the left:
3/x+8-(21)=0
Domain of the equation: x!=0
x∈R
We add all the numbers together, and all the variables
3/x-13=0
We multiply all the terms by the denominator
-13*x+3=0
We add all the numbers together, and all the variables
-13x+3=0
We move all terms containing x to the left, all other terms to the right
-13x=-3
x=-3/-13
x=3/13

See similar equations:

| 4a+11=47 | | -16-3p=2/3p+5 | | 11=9y=5y+10 | | 0.18x+0.5(x-2)=0.01(3x-2) | | 2(2t-4)+t=16-1 | | 13-c=-16 | | 159=50-y | | 2|x+1|-x=3x-4 | | 0.8x-3=2.3x-15 | | (1/12)-7x=-7x+(5/12) | | 21.6+6y=1 | | 47=-3d+8 | | 6-m/5=19 | | 21.6666666667+6y=1 | | 4x+7=-8x+4 | | 4b-4(2b=5) | | 16y+28=92 | | 15=z+8 | | 3/2v+2=18 | | (42c=35)-(5c-11)=-2 | | -2(6y-3)-y=-3(y-5) | | 2(2x-8)+116=180 | | 3(x=4)-8x21 | | 6+2r-3=9r+9-6r | | (-1)/(x+1)=(1)/(3x+3)-(2)/(x-4) | | 11h-(2h+1)=118 | | —2j-3=-2j+6 | | 2(3-x)=16x+1 | | -8(u+5)=8u+40 | | (b/5)-(7b/10)=1/5 | | (11x-37)+95x+590=54 | | 3x+4x+40+3x+4x+40=360 |

Equations solver categories