5[x+2]-9=21

Simple and best practice solution for 5[x+2]-9=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 5[x+2]-9=21 equation: 


Simplifying
5[x + 2] + -9 = 21

Reorder the terms:
5[2 + x] + -9 = 21
[2 * 5 + x * 5] + -9 = 21
[10 + 5x] + -9 = 21

Reorder the terms:
10 + -9 + 5x = 21

Combine like terms: 10 + -9 = 1
1 + 5x = 21

Solving
1 + 5x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + -1 = 20
5x = 20

Divide each side by '5'.
x = 4

Simplifying
x = 4

See similar equations:

| 6x-(2x+8)=3x(x+6)-14 | | -26=-x+3x-8 | | 9=3x-12 | | Z=4x-2y | | 4v+6+3=17 | | 4c-5=5 | | -2(9+-10f)+-8f= | | a^2=10a+25 | | [x-8]+11=13 | | 882=36x+1800y | | -52=6x+4x+8 | | 0=2.5f-2.5f | | x^2+5x-24=o | | 4-5n=4n+2 | | 3cos^2x-5sinx+1=0 | | -10.6+-2.5(2.5+-4.2b)= | | 19.65+14.2j=12.8j-4.15 | | 7=-x+4x+7 | | X+y=115 | | 3.9(-7.6+-8.3z)= | | -13.59-12n-7.6n=18.17-19.6n | | y=1/3-3y+4 | | -6a+3+7a=8-26 | | (4x+8)+(2x+3)=180 | | -6+2x+5x=36 | | 3x-2x-2x=6-12+8 | | -6.7(-2.3+-8.1k)+-3.6k= | | 6(f+5)=7.3-0.2f | | 11.77-0.5b=-1.6b | | 6=-7x-6x+6 | | X^2=6X-12 | | 13c-18c+9=-3c+17 |

Equations solver categories