X-4+21=0

Simple and best practice solution for X-4+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 X-4+21=0 equation: 


Simplifying
X + -4 + 21 = 0

Reorder the terms:
-4 + 21 + X = 0

Combine like terms: -4 + 21 = 17
17 + X = 0

Solving
17 + X = 0

Solving for variable 'X'.

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

Add '-17' to each side of the equation.
17 + -17 + X = 0 + -17

Combine like terms: 17 + -17 = 0
0 + X = 0 + -17
X = 0 + -17

Combine like terms: 0 + -17 = -17
X = -17

Simplifying
X = -17

See similar equations:

| x-70/6 | | y=7/5(5)-7 | | 32-x=-6x | | (11+2x)(6+2x)-66=30 | | 5x/3=x/18-x/6 | | an=4n+12 | | 3a+1=16a-2a | | 8t^2-31t+21=0 | | 9x^2+72x+3=0 | | 8t^2-31+21=0 | | 3N+4=20 | | 7x/2 | | 5+15+3=30 | | 2x(x-3)=(1.25)x^2 | | y=7/5(-10)-7 | | (-6+13)=2f-11 | | 3x(2x+1)(x-1)=0 | | 2a+6b-7(7a-9b)= | | -7=y/5 | | 0.4y=-56 | | -0.4=-56 | | 23.5b=157.75 | | 2+8+x=5+5 | | n/7=-14 | | 16-13=x/4 | | 22=5+x | | 29x-30x=8-9 | | 16x+y=4 | | 5(y-1)=10x | | -42+17=-7x+12x | | 7-7=14x+7x | | 54=(2+x)(2x-5) |

Equations solver categories