3x+21=13x-69

Simple and best practice solution for 3x+21=13x-69 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 3x+21=13x-69 equation:


Simplifying
3x + 21 = 13x + -69

Reorder the terms:
21 + 3x = 13x + -69

Reorder the terms:
21 + 3x = -69 + 13x

Solving
21 + 3x = -69 + 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.
21 + 3x + -13x = -69 + 13x + -13x

Combine like terms: 3x + -13x = -10x
21 + -10x = -69 + 13x + -13x

Combine like terms: 13x + -13x = 0
21 + -10x = -69 + 0
21 + -10x = -69

Add '-21' to each side of the equation.
21 + -21 + -10x = -69 + -21

Combine like terms: 21 + -21 = 0
0 + -10x = -69 + -21
-10x = -69 + -21

Combine like terms: -69 + -21 = -90
-10x = -90

Divide each side by '-10'.
x = 9

Simplifying
x = 9

See similar equations:

| 2x+26=4x+10 | | 3x-13x-8=0 | | 8x+5=4x+29 | | 8x+5=x+29 | | 7(-3x+1)=-2(x+1) | | t^2-22t+21=0 | | -3x+4y=-1 | | (r-2)(r-2)=0 | | 5-7x=83-21x | | y(2y-2)= | | -39-10x=8x+15 | | 5x+5=-135-9x | | 104-4x=2x+20 | | a(2a-4)= | | -4-6x=12-8x | | n+11=2Y | | 7x-8=-5x-14 | | 5x+7y=-1 | | 4.8q-3.7-5.4q=1.6q-4.1 | | 5x-y=22 | | 7x-8=-5x+14 | | 3x+2y=21 | | 7x-8=5x+14 | | (4y-3)+(6y-17)=90 | | (n-2)(7n-5)=0 | | -3k=k+5 | | 132-5x=3x+20 | | -12-3x=8-8x | | 8x-3=2x+21 | | 4x-1=11x-57 | | 2x+4x+3=33 | | 4x+40=14x-60 |

Equations solver categories