(2x-9)-20=21

Simple and best practice solution for (2x-9)-20=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 (2x-9)-20=21 equation: 


Simplifying
(2x + -9) + -20 = 21

Reorder the terms:
(-9 + 2x) + -20 = 21

Remove parenthesis around (-9 + 2x)
-9 + 2x + -20 = 21

Reorder the terms:
-9 + -20 + 2x = 21

Combine like terms: -9 + -20 = -29
-29 + 2x = 21

Solving
-29 + 2x = 21

Solving for variable 'x'.

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

Add '29' to each side of the equation.
-29 + 29 + 2x = 21 + 29

Combine like terms: -29 + 29 = 0
0 + 2x = 21 + 29
2x = 21 + 29

Combine like terms: 21 + 29 = 50
2x = 50

Divide each side by '2'.
x = 25

Simplifying
x = 25

See similar equations:

| -2x^2-7x-5=0 | | -144-10x=8x+18 | | -2x^2-3x+2=0 | | 8x-5=83 | | -x^2-11x-10=0 | | 8x+-10=70 | | .05(10000-x)+.07x=640 | | Bx+cy=dsolvex | | 7y-8+4y+11= | | Bx+cy=d | | 5x+7y=640 | | 13+4a-7-2a+3a= | | .05(100x)+.07(100y)=640 | | .05x+.07y=640 | | 48=2l+2w | | 3x-10=90 | | .07(10000x)+.05(10000y)=640 | | 3x+x=9 | | 4x-6=2(x+4) | | 4n+14= | | 3x+4x+5x= | | 2x-9-20=21 | | 5(a+3)=2(a-6) | | 8x-5=4x+15 | | 47-2x=16x+15 | | (x^2-y^2)*(x^2+y^2)=175 | | -.25(a-9)=.375 | | .25(a-9)=.375 | | 7a+8b=117 | | 4x+5=-44-9x | | 4(x-2)=2(8-x) | | 6x-4=x+11 |

Equations solver categories