4x+9+2(x+3)=12x-5-2x

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Solution for 4x+9+2(x+3)=12x-5-2x equation:


Simplifying
4x + 9 + 2(x + 3) = 12x + -5 + -2x

Reorder the terms:
4x + 9 + 2(3 + x) = 12x + -5 + -2x
4x + 9 + (3 * 2 + x * 2) = 12x + -5 + -2x
4x + 9 + (6 + 2x) = 12x + -5 + -2x

Reorder the terms:
9 + 6 + 4x + 2x = 12x + -5 + -2x

Combine like terms: 9 + 6 = 15
15 + 4x + 2x = 12x + -5 + -2x

Combine like terms: 4x + 2x = 6x
15 + 6x = 12x + -5 + -2x

Reorder the terms:
15 + 6x = -5 + 12x + -2x

Combine like terms: 12x + -2x = 10x
15 + 6x = -5 + 10x

Solving
15 + 6x = -5 + 10x

Solving for variable 'x'.

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

Add '-10x' to each side of the equation.
15 + 6x + -10x = -5 + 10x + -10x

Combine like terms: 6x + -10x = -4x
15 + -4x = -5 + 10x + -10x

Combine like terms: 10x + -10x = 0
15 + -4x = -5 + 0
15 + -4x = -5

Add '-15' to each side of the equation.
15 + -15 + -4x = -5 + -15

Combine like terms: 15 + -15 = 0
0 + -4x = -5 + -15
-4x = -5 + -15

Combine like terms: -5 + -15 = -20
-4x = -20

Divide each side by '-4'.
x = 5

Simplifying
x = 5

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