5x+15=3x-6

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Solution for 5x+15=3x-6 equation:


Simplifying
5x + 15 = 3x + -6

Reorder the terms:
15 + 5x = 3x + -6

Reorder the terms:
15 + 5x = -6 + 3x

Solving
15 + 5x = -6 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
15 + 5x + -3x = -6 + 3x + -3x

Combine like terms: 5x + -3x = 2x
15 + 2x = -6 + 3x + -3x

Combine like terms: 3x + -3x = 0
15 + 2x = -6 + 0
15 + 2x = -6

Add '-15' to each side of the equation.
15 + -15 + 2x = -6 + -15

Combine like terms: 15 + -15 = 0
0 + 2x = -6 + -15
2x = -6 + -15

Combine like terms: -6 + -15 = -21
2x = -21

Divide each side by '2'.
x = -10.5

Simplifying
x = -10.5

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