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

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


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

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

Reorder the terms:
-12x = 4(12 + x)
-12x = (12 * 4 + x * 4)
-12x = (48 + 4x)

Solving
-12x = 48 + 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.
-12x + -4x = 48 + 4x + -4x

Combine like terms: -12x + -4x = -16x
-16x = 48 + 4x + -4x

Combine like terms: 4x + -4x = 0
-16x = 48 + 0
-16x = 48

Divide each side by '-16'.
x = -3

Simplifying
x = -3

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