21/3x=21

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



21/3x=21
We move all terms to the left:
21/3x-(21)=0
Domain of the equation: 3x!=0
x!=0/3
x!=0
x∈R
We multiply all the terms by the denominator
-21*3x+21=0
Wy multiply elements
-63x+21=0
We move all terms containing x to the left, all other terms to the right
-63x=-21
x=-21/-63
x=1/3

See similar equations:

| -6+7=4z-3(z+6) | | 1/2(3x6)=1/3(18x-6) | | (x-3/2)5=10 | | 9=k=46 | | (2y-1)-6(y-2)+3=6 | | 0.05(10+x)=0.9 | | 3.75x+3.7=1.7+.75x | | 5(3x+7)=20+(x+1) | | 2(x–3)=2x | | 49j2–27j=0 | | 6.2/(2x+1)=0 | | 0.05(10+x)=0.75 | | 62.552r+6-2r=56 | | 10x+17x-8+2=-7x+2-8 | | 6r-34+2r-56.5=42 | | (y)/(2)-(y-4)/(5)=(23)/(10) | | 3×4/3+4=x | | 3(k-2)-2k=-3+8 | | 15y+3=30÷5 | | 3c+2=3c=2 | | (12(x^2))-288x+1152=0 | | 1728=4x*3x | | 7=3u+4 | | 5j+3-54j-5=24 | | 10x+17x-8+2=7x+2-8 | | 6.2/(2x+1)=2.333/4 | | 5x+16-x+(210)+4x=286 | | 6+5v=11 | | (x+7)^4=50 | | 67.35=x-19,15 | | 5x+35+7x+1=180 | | 3b=90 |

Equations solver categories