(3x)/(45+3x)=12/21

Simple and best practice solution for (3x)/(45+3x)=12/21 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 (3x)/(45+3x)=12/21 equation: 



(3x)/(45+3x)=12/21

We move all terms to the left:

(3x)/(45+3x)-(12/21)=0



Domain of the equation: (45+3x)!=0

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

3x!=-45

x!=-45/3

x!=-15

x∈R



We add all the numbers together, and all the variables

3x/(3x+45)-(+12/21)=0

We get rid of parentheses

3x/(3x+45)-12/21=0

We calculate fractions


63x/(63x+945)+(-36x-540)/(63x+945)=0

We multiply all the terms by the denominator


63x+(-36x-540)=0

We get rid of parentheses

63x-36x-540=0

We add all the numbers together, and all the variables

27x-540=0

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

27x=540

x=540/27

x=20

See similar equations:

| x2−21⋅x+104=0. | | (6x+2)=(9-3x) | | (z/4)+(1/12)=(z/3)-(1/6) | | |5x+4-7=0 | | 3x+15+12x=15 | | 4p-20=28 | | 3.9r=-17.55 | | 3-(2x+5)=6 | | 3x/45+3x=12/21 | | -7-7r=-7(r+1) | | 1/2x+20=10 | | (x−4)=4x+3x+12 | | 15f-23=8f | | -6=-n/2+10 | | 3(2x-1)=-4x-33 | | x(x^2+6)=2x+3 | | 16−2r=−9r+1 | | 19y+34=129 | | 3=15n-12 | | 1/5(3x-1+9)=x | | -4(x-2)=5x-37 | | 36x+18(x–2)=210 | | 1.25x+10=20 | | 38-j=6 | | 5(2x-1)=-3(-3x+4) | | 3(2x-1=4x-33 | | 15y+5y-56=4 | | 30.16=17.56+x | | -6=-n÷2+10 | | 3(2x-3)+4=6x+5 | | 36-7x=-6(x+3) | | 45+3x=21 |

Equations solver categories