2x+21=99

Simple and best practice solution for 2x+21=99 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 2x+21=99 equation: 


Simplifying
2x + 21 = 99

Reorder the terms:
21 + 2x = 99

Solving
21 + 2x = 99

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 + 2x = 99 + -21

Combine like terms: 21 + -21 = 0
0 + 2x = 99 + -21
2x = 99 + -21

Combine like terms: 99 + -21 = 78
2x = 78

Divide each side by '2'.
x = 39

Simplifying
x = 39

See similar equations:

| 3x/4+6=x/4-5 | | 11-8x=211-43x | | 4/9=2x+3/2 | | 5x+28=15x+92 | | 2x+34=110 | | 2x+22=46 | | 12x-25=x+3 | | X+x+22=46 | | 4x^2+23+15=0 | | 8x-3=15x-18 | | x+x+6=24 | | 4x^2+15=0 | | 252+2x=360 | | z^2=9z-1 | | 91r=8918 | | 24x^2-23x-12=0 | | x/7+7x/13 | | 4-1(1-x)=2x+3 | | 3x+2y-4z=0 | | h(x)=6-3x | | 2/x^6 | | x=-1/4 | | 3/8a-4=-1/4 | | 105/65 | | t(c)=-16 | | 65/105 | | Y-5=(-7)(x-0) | | 18/50/20 | | 3+5r+4=18 | | f(x)=3-4x | | x^2+8x+45=-6x+5 | | 50/18/20 |

Equations solver categories