9x+11=x-2(x+1)

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Solution for 9x+11=x-2(x+1) equation: 


Simplifying
9x + 11 = x + -2(x + 1)

Reorder the terms:
11 + 9x = x + -2(x + 1)

Reorder the terms:
11 + 9x = x + -2(1 + x)
11 + 9x = x + (1 * -2 + x * -2)
11 + 9x = x + (-2 + -2x)

Reorder the terms:
11 + 9x = -2 + x + -2x

Combine like terms: x + -2x = -1x
11 + 9x = -2 + -1x

Solving
11 + 9x = -2 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
11 + 9x + x = -2 + -1x + x

Combine like terms: 9x + x = 10x
11 + 10x = -2 + -1x + x

Combine like terms: -1x + x = 0
11 + 10x = -2 + 0
11 + 10x = -2

Add '-11' to each side of the equation.
11 + -11 + 10x = -2 + -11

Combine like terms: 11 + -11 = 0
0 + 10x = -2 + -11
10x = -2 + -11

Combine like terms: -2 + -11 = -13
10x = -13

Divide each side by '10'.
x = -1.3

Simplifying
x = -1.3

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