x+8=x+21

Simple and best practice solution for x+8=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 x+8=x+21 equation: 


Simplifying
x + 8 = x + 21

Reorder the terms:
8 + x = x + 21

Reorder the terms:
8 + x = 21 + x

Add '-1x' to each side of the equation.
8 + x + -1x = 21 + x + -1x

Combine like terms: x + -1x = 0
8 + 0 = 21 + x + -1x
8 = 21 + x + -1x

Combine like terms: x + -1x = 0
8 = 21 + 0
8 = 21

Solving
8 = 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:

| 8x=2x+21 | | 8x=2(x+21) | | x+8=2(x+21) | | 2(7+2)+7=32 | | 2w+4+2w=32 | | -3x+12=-6 | | 4b-8=5b+9 | | 3z+6z=60z | | 15=-3x+21 | | 2(w+2)+w=32 | | x^2+14x=5x^2-5x-5 | | 12x+4y=6 | | 35x-47x+6=0 | | 25x-20x-11=0 | | y+4=-5 | | 25x^2-24x-25=0 | | 3x^2+-13x+4=0 | | 9xy-8y^2-x^2= | | 2.5q-3.9-3.8q=-2.3q-5.7 | | x^2-8xy= | | 22=-5(x-4) | | a=.50*18*28 | | 0=-16x^2+256 | | x+(x+1)=81 | | 0=-16x^2+400 | | x+y=81 | | y-4=2(x+9) | | 3x^2+3x-224=0 | | 8x-7=7x-15 | | x^2-56=-x | | (3y^2)+16y+5= | | P+(26+P)+(2P-28)=638 |

Equations solver categories