3(f-7)=-9

Simple and best practice solution for 3(f-7)=-9 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-7)=-9 equation: 


Simplifying
3(f + -7) = -9

Reorder the terms:
3(-7 + f) = -9
(-7 * 3 + f * 3) = -9
(-21 + 3f) = -9

Solving
-21 + 3f = -9

Solving for variable 'f'.

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

Add '21' to each side of the equation.
-21 + 21 + 3f = -9 + 21

Combine like terms: -21 + 21 = 0
0 + 3f = -9 + 21
3f = -9 + 21

Combine like terms: -9 + 21 = 12
3f = 12

Divide each side by '3'.
f = 4

Simplifying
f = 4

See similar equations:

| 10(s-8)=104 | | 52=3x-13 | | 6k+3=-21 | | 7(3s+9)=273 | | 6(4.5-x)=-11.5 | | 5/3-1/2x=2/9 | | 7y-49= | | Y=-x^2+50x | | 5x+10x=2x+4 | | 5b-a=35 | | 4+3+27+35+8+n=112 | | cosx=2.25 | | 5x-6+3x=4x-8 | | 6(x+11)=40+5(x+2) | | m/4-5=2 | | 5(2n-7)=103 | | 5(x+3)=4(x-3) | | 2(2c+3)=X+9 | | 4+x-2x+6=5x-5+3 | | 2x+6=x+2(1+x) | | 5x+3x+4x=8-6 | | =X^2-4x | | 5y*2+3-2y*2+4= | | 2-4x+6-3x=20-9x | | 144-x^2=-25 | | x+(x*.30)=750 | | cos(2x)+9cos(x)-3=0 | | 5e+3f+3e= | | 3(t-1)=20 | | -5w-4=21 | | 2b-13=25 | | -3-2x=7 |

Equations solver categories