-9+(-12)=

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


Simplifying
-9 + (-12) = 0
-9 + -12 = 0

Combine like terms: -9 + -12 = -21
-21 = 0

Solving
-21 = 0

Couldn't find a variable to solve for.

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

See similar equations:

| -9=g+9 | | 16x=-64 | | 2x+3+3x+4=17 | | -9+-12= | | 8b^2-18bc-5c^2=0 | | 11=w-5 | | 0.0196x^2+1.37=y | | 2b-4-6b-7= | | w+12=-8 | | -10y+8=-3y-13 | | x+29=54 | | 10m^2+27m+5=0 | | 10m^2+27+5=0 | | y-8=2x | | (38+4)*3=483 | | 15+n=10 | | x+(-9)=21 | | 13x+5=8x+40 | | x=y+7 | | 10x+18=-26+10x | | b-8=-15 | | x-32=-34 | | y-10=-3 | | 2s*s=4 | | m+9=-7 | | 2y+8(y-4)=18 | | 4-ab=3 | | 4+abc=6 | | y=-x+10 | | -6v-4v=10 | | (190*9)+5m+870=2200 | | -4x^2+3x=-1 |

Equations solver categories