X+-9=12

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


Simplifying
X + -9 = 12

Reorder the terms:
-9 + X = 12

Solving
-9 + X = 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 + X = 12 + 9

Combine like terms: -9 + 9 = 0
0 + X = 12 + 9
X = 12 + 9

Combine like terms: 12 + 9 = 21
X = 21

Simplifying
X = 21

See similar equations:

| 4(2x+8)=-21+5 | | 3x+20=8x+45 | | 4a+23-9a-17=21 | | 6x-7=5x-12 | | 15x+5y=75 | | 2(-2x)+10+-2x-(-x)=-2x+13 | | 7y+5d= | | 0=10x^2+60x-1600 | | 2b=8a+4 | | -3x+18=-2x+3 | | -28+32+x=-10 | | 10h-23=47 | | f(x)=-x^2+x+20 | | -x(-2x-4)=5 | | X=cos^9(t) | | 0=-16t^2+vt+s | | 16a^2-40ag=-25g^2 | | 3k(k+n)+4(k+n)= | | 3/32k=9/8 | | 20x+20=180 | | 2.9x-1.3=-1 | | 12k^2+15k=16k+203 | | 4x=2x+34 | | 28xy^2z^4+30yz= | | 2/9x1/3=-1 | | 8x-1+5x+26= | | -0.8w+.25=.2+.3w | | 27x^3-8X=0 | | 3(t-6)+7t=5(2t+4)-10 | | 8(y-4)=7(3+y) | | 2(h+8)=6(2+3h) | | x^3+2x^2-29x=30 |

Equations solver categories