12x-(5x+7)+13=4x

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Solution for 12x-(5x+7)+13=4x equation:


Simplifying
12x + -1(5x + 7) + 13 = 4x

Reorder the terms:
12x + -1(7 + 5x) + 13 = 4x
12x + (7 * -1 + 5x * -1) + 13 = 4x
12x + (-7 + -5x) + 13 = 4x

Reorder the terms:
-7 + 13 + 12x + -5x = 4x

Combine like terms: -7 + 13 = 6
6 + 12x + -5x = 4x

Combine like terms: 12x + -5x = 7x
6 + 7x = 4x

Solving
6 + 7x = 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.
6 + 7x + -4x = 4x + -4x

Combine like terms: 7x + -4x = 3x
6 + 3x = 4x + -4x

Combine like terms: 4x + -4x = 0
6 + 3x = 0

Add '-6' to each side of the equation.
6 + -6 + 3x = 0 + -6

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

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

Divide each side by '3'.
x = -2

Simplifying
x = -2

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