-(x-3)-3x=-13

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Solution for -(x-3)-3x=-13 equation:


Simplifying
-1(x + -3) + -3x = -13

Reorder the terms:
-1(-3 + x) + -3x = -13
(-3 * -1 + x * -1) + -3x = -13
(3 + -1x) + -3x = -13

Combine like terms: -1x + -3x = -4x
3 + -4x = -13

Solving
3 + -4x = -13

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 + -4x = -13 + -3

Combine like terms: 3 + -3 = 0
0 + -4x = -13 + -3
-4x = -13 + -3

Combine like terms: -13 + -3 = -16
-4x = -16

Divide each side by '-4'.
x = 4

Simplifying
x = 4

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