3x+15=(2x-3)2+2x

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Solution for 3x+15=(2x-3)2+2x equation:


Simplifying
3x + 15 = (2x + -3) * 2 + 2x

Reorder the terms:
15 + 3x = (2x + -3) * 2 + 2x

Reorder the terms:
15 + 3x = (-3 + 2x) * 2 + 2x

Reorder the terms for easier multiplication:
15 + 3x = 2(-3 + 2x) + 2x
15 + 3x = (-3 * 2 + 2x * 2) + 2x
15 + 3x = (-6 + 4x) + 2x

Combine like terms: 4x + 2x = 6x
15 + 3x = -6 + 6x

Solving
15 + 3x = -6 + 6x

Solving for variable 'x'.

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

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

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

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

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

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

Combine like terms: -6 + -15 = -21
-3x = -21

Divide each side by '-3'.
x = 7

Simplifying
x = 7

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