3f+9=12

Simple and best practice solution for 3f+9=12 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 3f+9=12 equation: 


Simplifying
3f + 9 = 12

Reorder the terms:
9 + 3f = 12

Solving
9 + 3f = 12

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 + 3f = 12 + -9

Combine like terms: 9 + -9 = 0
0 + 3f = 12 + -9
3f = 12 + -9

Combine like terms: 12 + -9 = 3
3f = 3

Divide each side by '3'.
f = 1

Simplifying
f = 1

See similar equations:

| -6v=-48 | | -2c=10 | | 3x^4+15x^2-72=0 | | 12x+10=2x+5 | | 4v=-20 | | 6z=-60 | | -9z=-9 | | 4x^2-24x+9=49 | | -9=-20 | | 7b=-28 | | 4z+6+3=17 | | 7a=-14 | | -9a=18 | | 20x=3x+17 | | 4v=32 | | 8z=-24 | | 4x^2-24x-40=0 | | 2x+10=x+74 | | 12x-7=-12x+17 | | 4+t=13 | | 8x-3=2x-45 | | 81-16x^4=0 | | -8x+4=36 | | x-15=4x-3 | | a+2b=2b | | x^2+x^2=4 | | 4x^2-13x+3=0 | | 7x-6=5x+12 | | a+2b=2ab | | 7t-1=(3t+7)+2t | | 3a+3b=8(ab) | | y=7x-15 |

Equations solver categories