6x+15=9x-15

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Solution for 6x+15=9x-15 equation:


Simplifying
6x + 15 = 9x + -15

Reorder the terms:
15 + 6x = 9x + -15

Reorder the terms:
15 + 6x = -15 + 9x

Solving
15 + 6x = -15 + 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 + 6x + -9x = -15 + 9x + -9x

Combine like terms: 6x + -9x = -3x
15 + -3x = -15 + 9x + -9x

Combine like terms: 9x + -9x = 0
15 + -3x = -15 + 0
15 + -3x = -15

Add '-15' to each side of the equation.
15 + -15 + -3x = -15 + -15

Combine like terms: 15 + -15 = 0
0 + -3x = -15 + -15
-3x = -15 + -15

Combine like terms: -15 + -15 = -30
-3x = -30

Divide each side by '-3'.
x = 10

Simplifying
x = 10

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