3-(-9)=

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


3-(-9)=0

We simplify the equation to the form, which is simple to understand 
3-(-9)=0

Remove unnecessary parentheses
3+9=0

We move all terms containing  to the left and all other terms to the right. 
0=0-3-9

We simplify left and right side of the equation. 
0=-12

0=-12

The left and right sides are not equal, therefore there is no solution. This equation is invalid.

See similar equations:

| 6p+4=12+5p | | t=4n+7 | | t=7n-6 | | 0.8c+3.4=7.2 | | x^10-19x+1=0 | | 4.46-b=2.25 | | y^2-6y-27=0 | | 12=5x+2-7 | | (y+5)(y-3)=5 | | 8x-(5x+8)=7 | | -6b+31=5-8(7b+3) | | (x+y)2=18 | | (9x-5)(8x+4)=0 | | 42x^2-13x=42 | | 3y+2=y+9 | | -3x+2y=-5 | | (-4x-3)(x+6)=0 | | 9x+9=-135 | | -15+6=x | | -2x^2-7x-12=0 | | 3p-6=9 | | 3x+2y=14.5 | | 5x-16=-1 | | 8x+40=30x-24 | | (2x-5)(x+12)=0 | | 6x+2y=98 | | y^2+3y-12=0 | | y=5x+14.5 | | x*0.02=1780 | | -7.8q+1.7=-66.5-1.6q | | 6b+30=4b+36 | | 10d=2d^2+12 |

Equations solver categories