8x-9=13x+21

Simple and best practice solution for 8x-9=13x+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 8x-9=13x+21 equation:


Simplifying
8x + -9 = 13x + 21

Reorder the terms:
-9 + 8x = 13x + 21

Reorder the terms:
-9 + 8x = 21 + 13x

Solving
-9 + 8x = 21 + 13x

Solving for variable 'x'.

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

Add '-13x' to each side of the equation.
-9 + 8x + -13x = 21 + 13x + -13x

Combine like terms: 8x + -13x = -5x
-9 + -5x = 21 + 13x + -13x

Combine like terms: 13x + -13x = 0
-9 + -5x = 21 + 0
-9 + -5x = 21

Add '9' to each side of the equation.
-9 + 9 + -5x = 21 + 9

Combine like terms: -9 + 9 = 0
0 + -5x = 21 + 9
-5x = 21 + 9

Combine like terms: 21 + 9 = 30
-5x = 30

Divide each side by '-5'.
x = -6

Simplifying
x = -6

See similar equations:

| 180-(4k+159)= | | 3y+19=15 | | 10x+10x-6+4+18y+6=360 | | 10=2(10)(3.14) | | 5x^2+19x-2=0 | | 10y^1/2 | | 2x=186 | | 6/9=x/12 | | f(x)=20x^5+4x^4-25x^3-5x^2 | | 33k-9=90 | | 3N-9=-5N+71 | | 5/10=x/4 | | 2x-3+10=150 | | f(-1)=3x^2+2x-7 | | Kx^2-(k+1)x+1=0 | | 7x+1+9x-7+90=180 | | 0=t^2-8t+6 | | X-6+x=180 | | 3x+4x=58 | | f(x)=-125x^4+8x | | b^2-15=-2b | | 4tan^2x-9=0 | | ax^2-2ax=3a-b-bx | | 0=x^2+-21.75x+15.75 | | 0=x^2+-21.75+15.75 | | 5(3c-2)+8=43+2c | | -3/4*x=-27 | | -4x+6y=10 | | 2x+13=-x-7 | | 0=x^2-21.75+15.75 | | ln(-3x+4)=4 | | 5+m^2+6m=0 |

Equations solver categories