13x-15=9x+9

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Solution for 13x-15=9x+9 equation:


Simplifying
13x + -15 = 9x + 9

Reorder the terms:
-15 + 13x = 9x + 9

Reorder the terms:
-15 + 13x = 9 + 9x

Solving
-15 + 13x = 9 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
-15 + 13x + -9x = 9 + 9x + -9x

Combine like terms: 13x + -9x = 4x
-15 + 4x = 9 + 9x + -9x

Combine like terms: 9x + -9x = 0
-15 + 4x = 9 + 0
-15 + 4x = 9

Add '15' to each side of the equation.
-15 + 15 + 4x = 9 + 15

Combine like terms: -15 + 15 = 0
0 + 4x = 9 + 15
4x = 9 + 15

Combine like terms: 9 + 15 = 24
4x = 24

Divide each side by '4'.
x = 6

Simplifying
x = 6

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