-21=x-1

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


Simplifying
-21 = x + -1

Reorder the terms:
-21 = -1 + x

Solving
-21 = -1 + x

Solving for variable 'x'.

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

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

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

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

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

Combine like terms: -1 + 21 = 20
-1x = 20

Divide each side by '-1'.
x = -20

Simplifying
x = -20

See similar equations:

| (x+5)(x+5)+49=0 | | 1/3-(-5/3) | | 29=x+15 | | 10=a-2 | | 3+m=-15 | | 4x-8=6x-32 | | 6x^4-48x=0 | | 12=n+17 | | 6X^2+x=14 | | 1/4x=1/3x | | -5g-6forg=-2 | | 3.11x+14.96=7.83-23.41 | | x^3-5x^2+8x-10=0 | | 1/12-1/15 | | 8/20x12/18 | | 6-1/6 | | 2/5+4/5 | | 1993x+3991=9319-9913 | | 1x+11=22 | | 3/2-1/2 | | 42/5x15/7 | | 0.166(a-4)=0.33(2a+4) | | 5/4-3/4 | | 1/2-1/2=y | | 3x-8+8=16+8 | | 4/2=14t | | 3n-5+34=-8(6x+5n) | | 5+7x=4+5x | | f(x)=10-7x | | 14=t-44 | | 10=n-6 | | 67/42=x |

Equations solver categories