9x-15=21

Simple and best practice solution for 9x-15=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 9x-15=21 equation: 


Simplifying
9x + -15 = 21

Reorder the terms:
-15 + 9x = 21

Solving
-15 + 9x = 21

Solving for variable 'x'.

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

Add '15' to each side of the equation.
-15 + 15 + 9x = 21 + 15

Combine like terms: -15 + 15 = 0
0 + 9x = 21 + 15
9x = 21 + 15

Combine like terms: 21 + 15 = 36
9x = 36

Divide each side by '9'.
x = 4

Simplifying
x = 4

See similar equations:

| 6y^2+13y+6=0 | | 4y-18=2y | | 0=x^2-5x | | 7.25p-3+p=14.325 | | 5x=92-1x | | 27x-7=3 | | 0=3x^2+x-4 | | 5x=92-x | | -6y=x+7 | | x-2(3x+1)=18 | | (4w-3)(5w+4)=2w-11 | | 3+9x=24 | | 6p-34-62=6 | | 4k+h=-2k-14 | | 4v^7+6v^6-18v^5= | | 2y+5=35 | | 5x-19=-24 | | -4m-7+13m=12+2m-5 | | (x+1)(y-2)=3 | | x^2+x+25=25 | | 25+1x=7 | | 9m=36 | | X+5=3x-17 | | p^2-9p=0 | | -8+6y=4y | | 3x^2+20x+36=4 | | 6+1x=1 | | 3b+13=7b+17 | | 2w^2+13w+18= | | -73+11y+3=6(3y-2)-2 | | -4+6y=4y | | 4x^2-3x=-2 |

Equations solver categories