(-x-2)-(-3x+9)=

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Solution for (-x-2)-(-3x+9)= equation:


Simplifying
(-1x + -2) + -1(-3x + 9) = 0

Reorder the terms:
(-2 + -1x) + -1(-3x + 9) = 0

Remove parenthesis around (-2 + -1x)
-2 + -1x + -1(-3x + 9) = 0

Reorder the terms:
-2 + -1x + -1(9 + -3x) = 0
-2 + -1x + (9 * -1 + -3x * -1) = 0
-2 + -1x + (-9 + 3x) = 0

Reorder the terms:
-2 + -9 + -1x + 3x = 0

Combine like terms: -2 + -9 = -11
-11 + -1x + 3x = 0

Combine like terms: -1x + 3x = 2x
-11 + 2x = 0

Solving
-11 + 2x = 0

Solving for variable 'x'.

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

Add '11' to each side of the equation.
-11 + 11 + 2x = 0 + 11

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

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

Divide each side by '2'.
x = 5.5

Simplifying
x = 5.5

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