21-9f=-20(f+-6)

Simple and best practice solution for 21-9f=-20(f+-6) 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 21-9f=-20(f+-6) equation: 



21-9f=-20(f+-6)

We move all terms to the left:

21-9f-(-20(f+-6))=0

We add all the numbers together, and all the variables

-9f-(-20(f-6))+21=0



We calculate terms in parentheses: -(-20(f-6)), so:

-20(f-6)

We multiply parentheses

-20f+120

Back to the equation:

-(-20f+120)



We get rid of parentheses

-9f+20f-120+21=0

We add all the numbers together, and all the variables

11f-99=0

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

11f=99

f=99/11

f=9

See similar equations:

| 1/3x-2/3=-4/3-2/3 | | 21+-9f=-20(f-6) | | (0.02-x)/x=0.3467 | | 3c-74=2c-48 | | 1/3x-2/3=-4/3+2/3x | | 2(5x+2)-4=10x | | X^2+6x=105 | | 7x-28=-4(5x+7) | | 4x+5x+1=4x+10 | | 4^(3x)=20 | | −5x−8(1+7x)=−8 | | -32+8+(-2x)=12 | | -7x-4(2x+17)=121 | | s+27=10s | | 11x-9-7=15 | | 2x+3x+4=6x+8 | | -4x+9-x=-5x+10 | | 1,000,000=500,000(3.75^x) | | -3(6+3n)=36 | | -23=-7+5(x+3) | | 2(7t+15)=4t | | 2=3.75^x | | 5-c÷3=5 | | 5/3+1/3x=4x/3 | | 2(3-n)=18 | | 2(7t=15)=4t | | .6x+7=13.6 | | T(x)=-1.5+70 | | 21/4xX1/4x=44 | | 3/5x+7=13.6 | | 2x+23=8 | | 3w-23=38= |

Equations solver categories