12x-(4x+5)+20=3x

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Solution for 12x-(4x+5)+20=3x equation:


Simplifying
12x + -1(4x + 5) + 20 = 3x

Reorder the terms:
12x + -1(5 + 4x) + 20 = 3x
12x + (5 * -1 + 4x * -1) + 20 = 3x
12x + (-5 + -4x) + 20 = 3x

Reorder the terms:
-5 + 20 + 12x + -4x = 3x

Combine like terms: -5 + 20 = 15
15 + 12x + -4x = 3x

Combine like terms: 12x + -4x = 8x
15 + 8x = 3x

Solving
15 + 8x = 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 + 8x + -3x = 3x + -3x

Combine like terms: 8x + -3x = 5x
15 + 5x = 3x + -3x

Combine like terms: 3x + -3x = 0
15 + 5x = 0

Add '-15' to each side of the equation.
15 + -15 + 5x = 0 + -15

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

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

Divide each side by '5'.
x = -3

Simplifying
x = -3

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