2x+21=0

Simple and best practice solution for 2x+21=0 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 2x+21=0 equation:


2x+21=0

We simplify the equation to the form, which is simple to understand 
2x+21=0

We move all terms containing x to the left and all other terms to the right. 
+2x=0-21

We simplify left and right side of the equation. 
+2x=-21

We divide both sides of the equation by 2 to get x. 
x=-10.5

See similar equations:

| 6b-5b=4 | | p(x)=x^2-10x+15 | | 4(x+5)+3=35 | | 9k^2-17k+20=0 | | 8x+15=2x | | 12j+36=16j-48 | | K=15+-2k | | 20s+4=13-10 | | 4(c+3)-6=10 | | x^2-21x+72=0 | | 7v=3 | | x^2-1x+72=0 | | -5x^2=125 | | x^2+1x+72=0 | | 9K^2-17k-20=0 | | y=x^2+5-22x | | x+6-3x=2+3x-16 | | y*(y+1)*(y+2)=720 | | s=0.167-0.67 | | 2x^2-9-3x=0 | | x^2-16x=-44 | | 3x^2-5x-213=-2x^2-3 | | 5-(3x-5)=-6(2x-5)-x | | 8x+9=11x+12 | | 52+4x-3x-41= | | 3x+5=-98-10x | | 3k^2-36=-3k | | 2x^2+30=16x | | 36=-52x+40x | | x^2+36=-12x | | 4t+31-t=40 | | 4t+31-t= |

Equations solver categories