4f-9=f+12

Simple and best practice solution for 4f-9=f+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 4f-9=f+12 equation:


Simplifying
4f + -9 = f + 12

Reorder the terms:
-9 + 4f = f + 12

Reorder the terms:
-9 + 4f = 12 + f

Solving
-9 + 4f = 12 + f

Solving for variable 'f'.

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

Add '-1f' to each side of the equation.
-9 + 4f + -1f = 12 + f + -1f

Combine like terms: 4f + -1f = 3f
-9 + 3f = 12 + f + -1f

Combine like terms: f + -1f = 0
-9 + 3f = 12 + 0
-9 + 3f = 12

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 = 21
3f = 21

Divide each side by '3'.
f = 7

Simplifying
f = 7

See similar equations:

| -x^2-6x-5=3x-3 | | 7+7+1=15 | | x*7x+x*7x=15 | | x*14x=15 | | Y=5/3x-14 | | 93-4x=41x+18 | | 4,2+0,75= | | 5,7-0,75=4,2+0,75 | | 5,7-0,75= | | 3xy-9xy= | | x+14x=15 | | 104/5x=9/10 | | 5,75-0,75=4,2+0,75 | | 27/10x=21 | | x+y=26 | | 5x=55/8 | | 2x^3+20x^2+32x=0 | | 5,7-x=4,2+x | | x*x+16= | | 3x^2-9x+10=0 | | x+x*5=x+16+x-16 | | f(-1)=-1*-1-5 | | eeeeeeeeeeeeeeeee=1 | | 4(2x-3)-5=3x+28 | | 5x-16=x+16 | | o=10000000000000000000 | | g=346865358408403 | | 2w=w | | w=w | | x+16=5x-16 | | -w=-w | | r+16=5r-16 |

Equations solver categories