-3=3x+6(-x-3)

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


Simplifying
-3 = 3x + 6(-1x + -3)

Reorder the terms:
-3 = 3x + 6(-3 + -1x)
-3 = 3x + (-3 * 6 + -1x * 6)
-3 = 3x + (-18 + -6x)

Reorder the terms:
-3 = -18 + 3x + -6x

Combine like terms: 3x + -6x = -3x
-3 = -18 + -3x

Solving
-3 = -18 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
-3 + 3x = -18 + -3x + 3x

Combine like terms: -3x + 3x = 0
-3 + 3x = -18 + 0
-3 + 3x = -18

Add '3' to each side of the equation.
-3 + 3 + 3x = -18 + 3

Combine like terms: -3 + 3 = 0
0 + 3x = -18 + 3
3x = -18 + 3

Combine like terms: -18 + 3 = -15
3x = -15

Divide each side by '3'.
x = -5

Simplifying
x = -5

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