3=21-3f

Simple and best practice solution for 3=21-3f 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 3=21-3f equation: 



3=21-3f

We move all terms to the left:

3-(21-3f)=0

We add all the numbers together, and all the variables

-(-3f+21)+3=0

We get rid of parentheses

3f-21+3=0

We add all the numbers together, and all the variables

3f-18=0

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

3f=18

f=18/3

f=6

See similar equations:

| 10v^2=19 | | 44=w-8 | | 99=3(6n+5)-4n | | 6x-8=13x+13 | | 15n-34=521 | | x^=196 | | 2x+4x-8=6x+3-11 | | 3n+5n-7=25 | | 6=z-3 | | 19.98=m+12.98 | | r/3=3.66 | | (x+4)=2(2x+7) | | 6x-8x-11=-2x+5-11 | | b/3=3.5 | | r/20-5=4 | | 8(5c−7)=−4(−10c+14) | | 3.2=m/4 | | -3(x+2)=5x+9 | | –5=b−9 | | 6x-8+8x=20 | | 2y+11=-7 | | 4b=15.2 | | –3s=–6 | | 4x+13=x−17 | | -9x=7x+2 | | 31-4c=11 | | |4w-12|=16 | | (5x+6)=4.5 | | 3j=18.39 | | 3/4x+4=40+2x | | 3.8=w/3 | | 39-3b=30 |

Equations solver categories