21*(-5)=

Simple and best practice solution for 21*(-5)= 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 21*(-5)= equation: 


Simplifying
21(-5) = 0

Multiply 21 * -5
-105 = 0

Solving
-105 = 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:

| -2(4+14)=20 | | -x+238=113 | | x^2-x-12=-10 | | 5p-8=4p | | X^2-10x+21=f(x) | | 2-2n=n+17 | | x+203=253 | | -x+2x+10=22+2x | | 6+n=248 | | 3(3+20)=78 | | (-12)/9-30/(-12) | | I-7I= | | 15p=82.5 | | [2x+8]=18 | | x+25=5x-35 | | X^2*(y+2)=192 | | 160=-x+81 | | 2(8x-15)=78 | | 0.5x-26=29-6x | | 3y+25=65 | | -u+289=10 | | 4x^2y^3/2×^3×16x^4/8y^3 | | 4(3+4)=40 | | 1=62x+2 | | 197=18-v | | 0.09xX=81.55 | | 15-(-30)= | | 81=9x+3 | | 197-18=v | | 53x+1=1 | | 12x-5=57.5 | | 0=3e^3x |

Equations solver categories