-9-x=2(x+4)

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Solution for -9-x=2(x+4) equation:


Simplifying
-9 + -1x = 2(x + 4)

Reorder the terms:
-9 + -1x = 2(4 + x)
-9 + -1x = (4 * 2 + x * 2)
-9 + -1x = (8 + 2x)

Solving
-9 + -1x = 8 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-9 + -1x + -2x = 8 + 2x + -2x

Combine like terms: -1x + -2x = -3x
-9 + -3x = 8 + 2x + -2x

Combine like terms: 2x + -2x = 0
-9 + -3x = 8 + 0
-9 + -3x = 8

Add '9' to each side of the equation.
-9 + 9 + -3x = 8 + 9

Combine like terms: -9 + 9 = 0
0 + -3x = 8 + 9
-3x = 8 + 9

Combine like terms: 8 + 9 = 17
-3x = 17

Divide each side by '-3'.
x = -5.666666667

Simplifying
x = -5.666666667

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