1+x=21

Simple and best practice solution for 1+x=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 1+x=21 equation:


1+x=21

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

We move all terms containing x to the left and all other terms to the right. 
+1x=+21-1

We simplify left and right side of the equation. 
+1x=+20

We divide both sides of the equation by 1 to get x. 
x=20

See similar equations:

| m=15.75+3.2(0) | | 3h^2+2h-16=o | | (2t^2-t-5)(2t^2+2t-1)= | | y^2=20 | | m=15.75+3.2(20) | | 12x=84+6x | | 5x-4y=-1 | | 4n=8 | | 5n-20=3 | | 3a+(2a-5)=12-3(a+2) | | -37=9t+8 | | -5=x+8 | | 3x^3+5-x^3+3+4x= | | 2p-5=p+5 | | 7x^14=14x^7 | | (-3x^2+x-1)+(x^2+x-4)= | | -5x-3=-2x+2 | | 4x^3+40x^2+37x+9=0 | | x^2-11=0 | | 7x-4x=30 | | 2xn=49892 | | (-4x^2+-2x)+(-x^2-6x-8)= | | 9x-1=x-25 | | 3x+4=4x+7 | | 5r+9=8r | | 24=4x | | -1x=7x-1 | | 3x=5x-30 | | 4p+3=3p+6 | | 7y+2h=3y+5h | | 3x+2y=15 | | 2x+4=2x+6 |

Equations solver categories