15x-9=21

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


Simplifying
15x + -9 = 21

Reorder the terms:
-9 + 15x = 21

Solving
-9 + 15x = 21

Solving for variable 'x'.

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

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

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

Combine like terms: 21 + 9 = 30
15x = 30

Divide each side by '15'.
x = 2

Simplifying
x = 2

See similar equations:

| 5x-1=2x+20 | | 6x-1=-12 | | 7x=3y | | 7=-3x | | y=-2(20)+6 | | 10=-2x+6 | | -10*78+18=y | | 8x-1=55 | | 9=-10x+18 | | 4x-5=55 | | -5(y+3)+4(3y-5)=6(y-6)+11 | | -10(z+3)+4(4z-4)=5(z-5)+12 | | -z+5z=6z-8+7z | | 4x+4=-20 | | -7+x=12 | | 4x-2=4x-2 | | 2x+10=38 | | 4x+1=21+2x | | x*x+2x+1=0 | | 9x+4=3x-9 | | 4x+6x=5(6) | | 7x-14=18-4x | | 17+3x=-3 | | 3(x+3)=15 | | 18-14x= | | 8x-3=21 | | -11-5a=6(5a+4) | | 8(1+5x)+5=13+5x | | -8(-8x-6)=-6x-22 | | -8(-8x-6)=-9x-22 | | -5n-8(1+7n)=-8 | | 10(1+3b)=-20 |

Equations solver categories