3x-9(-1)=12

Simple and best practice solution for 3x-9(-1)=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 3x-9(-1)=12 equation:


Simplifying
3x + -9(-1) = 12

Multiply -9 * -1
3x + 9 = 12

Reorder the terms:
9 + 3x = 12

Solving
9 + 3x = 12

Solving for variable 'x'.

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

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

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

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

Divide each side by '3'.
x = 1

Simplifying
x = 1

See similar equations:

| 3x-(7-3)/5=6 | | x+x+1+x+2+x+3=35 | | 5w^2-6=13w | | r-52=11.4 | | y+(7.5)=12.2 | | (3f-9)(3f+9)= | | (6r^3+11r+8r^4)-(8r^3-10r^4-12r)= | | 78/x=9 | | (x+16)+3x=32 | | 9x-(-7b-5z)=z+(8b-9x) | | 2[x-3-2x+9]=3x-8 | | 6y=2(y-3)+6 | | 3(x-5)(x-7)=144 | | -0.7x+5.76=-0.5x+1.36 | | d-4=0.4 | | (5n+4n^4-3)+(14n^2+1+8n^4)= | | 43+3r=-10(5+9r) | | 15b=35 | | 8x+(4s-9b)=b+4x-2s | | p+27=13.8 | | 6x-7=-3x+2 | | 9x^3=45x^2 | | v=4/3*314*216 | | 2a-1=4a+4+7a+5 | | 6a-(3m-4a)=a+(m-5a) | | z+13.9=27.2 | | (4+6n^3-12n^2)+(n^2+5-8n^3)= | | (5x-7)/3=(9x-7)/11 | | 6x-16+8x=4x+2 | | 8a+6(a-1)=106 | | v=4/3*314*125 | | A^2b^2-c^2d^2= |

Equations solver categories