4F+9=21

Simple and best practice solution for 4F+9=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 4F+9=21 equation: 


Simplifying
4F + 9 = 21

Reorder the terms:
9 + 4F = 21

Solving
9 + 4F = 21

Solving for variable 'F'.

Move all terms containing F to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 4F = 21 + -9

Combine like terms: 9 + -9 = 0
0 + 4F = 21 + -9
4F = 21 + -9

Combine like terms: 21 + -9 = 12
4F = 12

Divide each side by '4'.
F = 3

Simplifying
F = 3

See similar equations:

| 6x^2+4x=18x^3 | | 120x=150+4x | | -4/-3y-7=6 | | -5+-1x=22 | | C=4x+3y | | 5(1-5v)=5-3v | | (2/5)x=4/5 | | 4y-8=18+4y | | -5p+2=5p+11 | | c+4c=20-55 | | 4m+36=-4(1-3m) | | 2(-5-3w)=7w+3 | | 6x-9=3x-9 | | 2x-4x+10=40 | | 17=9x+5-3x | | -5+-1=22 | | 4?(x?6.3)= | | (7x+5y)(7x+5y)= | | 2r^2-3r+4=r^2+2r+9 | | 10-10x-15y= | | .1r=1 | | X/18-4/6=4/6 | | 5(2m+4)= | | -(a-6)+2=7a+40 | | -13=z-3 | | x+3x-7=0 | | 4g=16 | | -4(-3w-6)=12w+2 | | -18+3(5x-2)+8= | | N^2+24=-10n | | (3/5x)-2=1.3 | | 15+5b=-5(-3b+3) |

Equations solver categories