-2/x-7=5/x+21

Simple and best practice solution for -2/x-7=5/x+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 -2/x-7=5/x+21 equation:



-2/x-7=5/x+21
We move all terms to the left:
-2/x-7-(5/x+21)=0
Domain of the equation: x!=0
x∈R
Domain of the equation: x+21)!=0
x∈R
We get rid of parentheses
-2/x-5/x-21-7=0
We multiply all the terms by the denominator
-21*x-7*x-2-5=0
We add all the numbers together, and all the variables
-28x-7=0
We move all terms containing x to the left, all other terms to the right
-28x=7
x=7/-28
x=-1/4

See similar equations:

| -20y+9y+7y=16 | | 5=8+–3r | | -13+2x=-29 | | 7a-1=-8 | | 4f+5=5f | | -2/x-7=5/x | | 5z+4+2z=25 | | 75+90+x+19=180 | | y/4-6=13 | | 10(x+5)=120 | | -9p=7–10p | | 3(x-23)+(x-4)=18 | | 9c-24=3c+30 | | 9x+10=71 | | 80/(3x-5)=80 | | 16n-48=6n | | 5z+4−2z=25 | | 314=14+w | | x=(16+23) | | z+81=9z–7 | | w+34=3w+10 | | 2/9j=2/5 | | 9y+-5y-2y—6y-y=-14 | | 64=8x-4 | | 0.5x+14=-18 | | 5x-3(2-x)=-8 | | 0.09(x+2000)=4410 | | 29· j = 25 | | U+38=9u-34 | | 2x+10+2x-20+90+90=180 | | 9y+-5y-2y—6y=-14 | | 18x-(8x-7)=97 |

Equations solver categories