-3+(-6)=21

Simple and best practice solution for -3+(-6)=21 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+(-6)=21 equation: 


Simplifying
-3 + (-6) = 21
-3 + -6 = 21

Combine like terms: -3 + -6 = -9
-9 = 21

Solving
-9 = 21

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:

| 1+3f=f+6 | | 6/n=11 | | 0x(-4)= | | 3p^2=6p+2 | | 5x^4-20x^3+15x^2-60x=y | | 5(t-1)=35 | | 1680x+35000=220650 | | 6x+6+5x+13=12x+8 | | 145x+y=635 | | 0=48+32x-16x^2 | | 50x^3-18x=y | | 6n=11 | | (x+3)(x^3+4x^2+5x+7)= | | x=42+0.2x+0.25x+2*(0.2x) | | 60=-5v | | 8x+30=9x+13 | | 3e^3x-5=7 | | a-3+6=9 | | 12v-4=51+1 | | D^20=180 | | 4cos^2x+5=13cotx | | -2n-2/3=12= | | 7y-8=4y-12 | | Sin(x)=cos(40) | | 3(x-2)+5(x-4)=0 | | -2n-2/2 | | 68x+5=19+x | | x^4-5x^2y^2-36y^4=0 | | 2x-9=1/2x | | 10X-8=40-2x | | 70r-10r^3= | | -2n-2= |

Equations solver categories