16-3x-9=12-12-4x

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Solution for 16-3x-9=12-12-4x equation:


Simplifying
16 + -3x + -9 = 12 + -12 + -4x

Reorder the terms:
16 + -9 + -3x = 12 + -12 + -4x

Combine like terms: 16 + -9 = 7
7 + -3x = 12 + -12 + -4x

Combine like terms: 12 + -12 = 0
7 + -3x = 0 + -4x
7 + -3x = -4x

Solving
7 + -3x = -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.
7 + -3x + 4x = -4x + 4x

Combine like terms: -3x + 4x = 1x
7 + 1x = -4x + 4x

Combine like terms: -4x + 4x = 0
7 + 1x = 0

Add '-7' to each side of the equation.
7 + -7 + 1x = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 1x = 0 + -7
1x = 0 + -7

Combine like terms: 0 + -7 = -7
1x = -7

Divide each side by '1'.
x = -7

Simplifying
x = -7

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