-2x-4=(x+5)+7

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Solution for -2x-4=(x+5)+7 equation:


Simplifying
-2x + -4 = (x + 5) + 7

Reorder the terms:
-4 + -2x = (x + 5) + 7

Reorder the terms:
-4 + -2x = (5 + x) + 7

Remove parenthesis around (5 + x)
-4 + -2x = 5 + x + 7

Reorder the terms:
-4 + -2x = 5 + 7 + x

Combine like terms: 5 + 7 = 12
-4 + -2x = 12 + x

Solving
-4 + -2x = 12 + x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
-4 + -2x + -1x = 12 + x + -1x

Combine like terms: -2x + -1x = -3x
-4 + -3x = 12 + x + -1x

Combine like terms: x + -1x = 0
-4 + -3x = 12 + 0
-4 + -3x = 12

Add '4' to each side of the equation.
-4 + 4 + -3x = 12 + 4

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

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

Divide each side by '-3'.
x = -5.333333333

Simplifying
x = -5.333333333

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