13=3(-2x-5)-2x-4

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Solution for 13=3(-2x-5)-2x-4 equation:


Simplifying
13 = 3(-2x + -5) + -2x + -4

Reorder the terms:
13 = 3(-5 + -2x) + -2x + -4
13 = (-5 * 3 + -2x * 3) + -2x + -4
13 = (-15 + -6x) + -2x + -4

Reorder the terms:
13 = -15 + -4 + -6x + -2x

Combine like terms: -15 + -4 = -19
13 = -19 + -6x + -2x

Combine like terms: -6x + -2x = -8x
13 = -19 + -8x

Solving
13 = -19 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
13 + 8x = -19 + -8x + 8x

Combine like terms: -8x + 8x = 0
13 + 8x = -19 + 0
13 + 8x = -19

Add '-13' to each side of the equation.
13 + -13 + 8x = -19 + -13

Combine like terms: 13 + -13 = 0
0 + 8x = -19 + -13
8x = -19 + -13

Combine like terms: -19 + -13 = -32
8x = -32

Divide each side by '8'.
x = -4

Simplifying
x = -4

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