21-87=

Simple and best practice solution for 21-87= 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 21-87= equation:


Simplifying
21 + -87 = 0

Combine like terms: 21 + -87 = -66
-66 = 0

Solving
-66 = 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:

| x(x^2-8x+3)= | | 5(2n+7)=19 | | x-9-5=7-x-76 | | 3-11=-8 | | -34=-2y+3y | | 4+2s=3s-7 | | x^2+4x+18=40 | | 3x^2+23=-13 | | 7n-16n+4=0 | | -a+7(1+3a)-20=0 | | 2x+40=.182x | | 18x+3=10x-45 | | -(m-6)=3m+4 | | x^2+4x-18=40 | | 6x+8-2=-24 | | 12/m-3 | | -5x+16+-8(x+1)=6x | | 2x^2-3y^2=12 | | 4m/m-3 | | -3+7=-5 | | -6x-x+10=15-7x | | 1-n-5+16=-n-2n | | (9v+36)(v^2-6v+5)=0 | | -(x+7)-6=-20+6x | | N^2+16=-8n | | 3[4x-5(y-2)]= | | -3x-1=x-17 | | -5=9+4 | | X+4(x+2)=12 | | -2(9+4s)=34 | | 5a^2= | | 3a+12=6a+7 |

Equations solver categories