x/(15+x)=4/9

Simple and best practice solution for x/(15+x)=4/9 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 x/(15+x)=4/9 equation: 



x/(15+x)=4/9

We move all terms to the left:

x/(15+x)-(4/9)=0



Domain of the equation: (15+x)!=0

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

x!=-15

x∈R



We add all the numbers together, and all the variables

x/(x+15)-(+4/9)=0

We get rid of parentheses

x/(x+15)-4/9=0

We calculate fractions


9x/(9x+135)+(-4x-60)/(9x+135)=0

We multiply all the terms by the denominator


9x+(-4x-60)=0

We get rid of parentheses

9x-4x-60=0

We add all the numbers together, and all the variables

5x-60=0

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

5x=60

x=60/5

x=12

See similar equations:

| x=45+200(.20) | | 85=45+x(.20) | | x=45+80(.20) | | x=45+65(.20) | | X/4-2=2x-6 | | x=45+30(.20) | | 4x+1+5x-15=180 | | 7p+(-1)=3 | | x+28-3x=180 | | 4x+8=70 | | -0.8-0.7m=1 | | 813÷x=213÷8.1 | | 15x+36=90 | | 2(4x+10x)=70 | | 6x+14x-7=5(4x+7) | | (98-50)/8=x | | 8p+4=7+2p+3p | | -9k+6k=-12+8k-2+3k | | 4x+9=-41-6 | | 25(4+x)=125 | | 3c+12=–18 | | 12.5x=1437.50 | | .07x=0.02x+750 | | x+5x-8x=5+4+16 | | –8(a–2)=–8a+16 | | 1-5x-9=51 | | 15x+4x−16x+x+2x=12 | | 80=15x | | 12x+16=-32 | | -9(x-5)=36 | | x-8/4=-12 | | 11x-78=109 |

Equations solver categories