3+f=21

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



3+f=21

We move all terms to the left:

3+f-(21)=0

We add all the numbers together, and all the variables

f-18=0

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

f=18

See similar equations:

| (k)/(-3)-2=-8 | | 10(2x+7=160 | | -7x+10+5x=28 | | 3=r/12 | | 8c+12=64 | | 1/3.14=24/p | | -2/n-7=-11 | | 150/x=2400 | | 19+10x+3+7x-4=52 | | -6(9+2x)=-126 | | 6(-7x+3)=-192 | | M2=x+55=180 | | -3p^2+20p+24=0 | | M2=x+55+65=180 | | -3(1x+7)=-36 | | y=9*6 | | 2x-4=50^3/2 | | 5(-4+6x)=-20 | | 54=6y−3 | | 1605=8v+5 | | (4x)/7-3=5 | | 3.2=24.x | | 2x+6=54^3/2 | | 1300-40x=400+50x | | k+478=994 | | q+5=976 | | 3y= | | r+152=917 | | 2^2x+1=6^x | | 9(x-4)+3=57 | | 4j−10=18 | | 657=y+34 |

Equations solver categories