3x+9x-12=0

Simple and best practice solution for 3x+9x-12=0 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 3x+9x-12=0 equation:


Simplifying
3x + 9x + -12 = 0

Reorder the terms:
-12 + 3x + 9x = 0

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

Solving
-12 + 12x = 0

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 + 12x = 0 + 12

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

Combine like terms: 0 + 12 = 12
12x = 12

Divide each side by '12'.
x = 1

Simplifying
x = 1

See similar equations:

| -332=4+8(-7+5a) | | Ln(x+1)-ln(x)=1 | | 0x-7=1x-7 | | z^3=216 | | 8x+10=24+6 | | 7m-22=41 | | 2n+2=3n-5 | | 4n^2+44n+96=0 | | 5n-6=8-2n | | 1.75x+3.05x-8.45=-7.01 | | 5v^2-4v-9= | | x^2-195=1 | | 4x^2+y^2+24x-2y+21=0 | | 0.66x+0.5=2x+5 | | 0=ln(t^2-6t+9) | | 4x+5=-30-x | | 18=2(X-5)+4X | | 5(6-8f)=-22 | | 3n-13=n-7 | | x^2-20+9=0 | | H(t)=16t^2+24 | | 1/5( | | 120-8s= | | -5.5(4t+6)-1.6(2t-5)= | | (7x^4)=(5x^8) | | 2[(3z-2)+6z]=13(z+1)+29 | | 2(1[w+9]1)=8w+12 | | 10m=10-5[m-7] | | 5(3d+1)=3(2d-5) | | 2.5x+.5x-3.5=2.5 | | 12=5(y-3)-8y | | 10=x-.5x+32 |

Equations solver categories