-4+7=-21

Simple and best practice solution for -4+7=-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 -4+7=-21 equation: 


Simplifying
-4 + 7 = -21

Combine like terms: -4 + 7 = 3
3 = -21

Solving
3 = -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:

| 24c^2-20c+18c-15= | | -4+7=21 | | -12=-k-(3k+4) | | 8x+13+95=180 | | 8-27w^3= | | 19x+12=38 | | 3(x+-4)=15 | | c^2+6c=0 | | 3x+2x-4=6 | | x+96+90=180 | | 42-14a=-15a+1 | | 110=x+117 | | 16s^2-p^2= | | -5y^2+9xy=0 | | 5x+12-7=30 | | 9x-10=8x | | 9v^4+18v+9= | | 2(n+3)=n+5 | | x+125=120 | | h(t)=-2t^2+20t | | 7v=5b | | 80=40-1.5y+y | | 25=-3(4n-3) | | 85=12x+1 | | 5n+4+8n=-5 | | 12=4+4x-4 | | 2(x+4)-8=68-30 | | 8=6(2z+3)-5 | | 10t^2+43t-9=0 | | 4y^2-y+3=0 | | 3a-3a=0 | | 4x+1=-10 |

Equations solver categories