21-x=5

Simple and best practice solution for 21-x=5 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-x=5 equation: 


Simplifying
21 + -1x = 5

Solving
21 + -1x = 5

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-21' to each side of the equation.
21 + -21 + -1x = 5 + -21

Combine like terms: 21 + -21 = 0
0 + -1x = 5 + -21
-1x = 5 + -21

Combine like terms: 5 + -21 = -16
-1x = -16

Divide each side by '-1'.
x = 16

Simplifying
x = 16

See similar equations:

| 7x+7=-91 | | 9x+4=6+11x | | x+y=-6 | | x^2+10x+12=0 | | -5x+17=2 | | 13a^2+7a-6= | | x^2-19x+70=0 | | 22y+16(8)=6y | | 10x+2=12x-2 | | 6x-3x-9+1=-5x+7x-3 | | 10x+5=25x+2 | | 10x+10=30x+10 | | 10x+10=2x-5 | | 5+4x=20x-2 | | 27x+19-39=-65 | | 20x+5=10x+2 | | (5x+2)+5=20x-5 | | 5x+4=25x+2 | | 5x+4=25x-2 | | 43x+51-57x=151 | | 4(x+3)=3x-10 | | 5x+5=2x-2 | | 5x+10=20x+5 | | 5x+10=25x-5 | | 5x+5=25x-5 | | 5x+2=25x-5 | | 5x+2=24x-2 | | 5x+2=10x-2 | | 4x+4=8x-2 | | 4x+5=10x-2 | | 4x+5=2x-6 | | 3(x-2)+5=3+2x |

Equations solver categories