3(x-4)=9

Simple and best practice solution for 3(x-4)=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(x-4)=9 equation: 


Simplifying
3(x + -4) = 9

Reorder the terms:
3(-4 + x) = 9
(-4 * 3 + x * 3) = 9
(-12 + 3x) = 9

Solving
-12 + 3x = 9

Solving for variable 'x'.

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

Add '12' to each side of the equation.
-12 + 12 + 3x = 9 + 12

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

Combine like terms: 9 + 12 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

See similar equations:

| s(s-7)=18 | | 3y=xy | | 2.4x+5.79=4.3-11.0x | | ax+b=cb | | r-s=tr | | 5+2n-3=6n+8-3n | | 14x+9-3=13x-4 | | 4(c+7)=4(c-5) | | r(r-7)=8 | | 12a^2+17a-40=0 | | y=-2x^2+4x-1 | | -5x-17=-97 | | 50-4x=7x+17 | | x(3x+15)=0 | | -20+y=21 | | .66x=45 | | 84-4x=32x+24 | | 3X+6X= | | 5-3(4)= | | 4=3t-6 | | -143-7x=9x+17 | | 5-3X= | | 6x+13=13-7x | | 7z+3=15 | | 132-6x=2x+20 | | -43-2x=13-9x | | -17=x+5 | | 10x+8-5= | | 4x=227 | | 2x^2-9x-17=0 | | x^2+25x-16=0 | | 11y+9=42 |

Equations solver categories