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

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


Simplifying
4(x + 3x) = 4x + -12

Combine like terms: x + 3x = 4x
4(4x) = 4x + -12

Remove parenthesis around (4x)
4 * 4x = 4x + -12

Multiply 4 * 4
16x = 4x + -12

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

Solving
16x = -12 + 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.
16x + -4x = -12 + 4x + -4x

Combine like terms: 16x + -4x = 12x
12x = -12 + 4x + -4x

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

Divide each side by '12'.
x = -1

Simplifying
x = -1

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