-(3x+9)-6(-2-x)=15

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Solution for -(3x+9)-6(-2-x)=15 equation:


Simplifying
-1(3x + 9) + -6(-2 + -1x) = 15

Reorder the terms:
-1(9 + 3x) + -6(-2 + -1x) = 15
(9 * -1 + 3x * -1) + -6(-2 + -1x) = 15
(-9 + -3x) + -6(-2 + -1x) = 15
-9 + -3x + (-2 * -6 + -1x * -6) = 15
-9 + -3x + (12 + 6x) = 15

Reorder the terms:
-9 + 12 + -3x + 6x = 15

Combine like terms: -9 + 12 = 3
3 + -3x + 6x = 15

Combine like terms: -3x + 6x = 3x
3 + 3x = 15

Solving
3 + 3x = 15

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 3x = 15 + -3

Combine like terms: 3 + -3 = 0
0 + 3x = 15 + -3
3x = 15 + -3

Combine like terms: 15 + -3 = 12
3x = 12

Divide each side by '3'.
x = 4

Simplifying
x = 4

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