7x+5-(-3x)+9=2+5-8+8x-12x

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Solution for 7x+5-(-3x)+9=2+5-8+8x-12x equation:


Simplifying
7x + 5 + -1(-3x) + 9 = 2 + 5 + -8 + 8x + -12x

Remove parenthesis around (-3x)
7x + 5 + -1 * -3x + 9 = 2 + 5 + -8 + 8x + -12x

Multiply -1 * -3
7x + 5 + 3x + 9 = 2 + 5 + -8 + 8x + -12x

Reorder the terms:
5 + 9 + 7x + 3x = 2 + 5 + -8 + 8x + -12x

Combine like terms: 5 + 9 = 14
14 + 7x + 3x = 2 + 5 + -8 + 8x + -12x

Combine like terms: 7x + 3x = 10x
14 + 10x = 2 + 5 + -8 + 8x + -12x

Combine like terms: 2 + 5 = 7
14 + 10x = 7 + -8 + 8x + -12x

Combine like terms: 7 + -8 = -1
14 + 10x = -1 + 8x + -12x

Combine like terms: 8x + -12x = -4x
14 + 10x = -1 + -4x

Solving
14 + 10x = -1 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
14 + 10x + 4x = -1 + -4x + 4x

Combine like terms: 10x + 4x = 14x
14 + 14x = -1 + -4x + 4x

Combine like terms: -4x + 4x = 0
14 + 14x = -1 + 0
14 + 14x = -1

Add '-14' to each side of the equation.
14 + -14 + 14x = -1 + -14

Combine like terms: 14 + -14 = 0
0 + 14x = -1 + -14
14x = -1 + -14

Combine like terms: -1 + -14 = -15
14x = -15

Divide each side by '14'.
x = -1.071428571

Simplifying
x = -1.071428571

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