13=-2(x-4)-1

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Solution for 13=-2(x-4)-1 equation:


Simplifying
13 = -2(x + -4) + -1

Reorder the terms:
13 = -2(-4 + x) + -1
13 = (-4 * -2 + x * -2) + -1
13 = (8 + -2x) + -1

Reorder the terms:
13 = 8 + -1 + -2x

Combine like terms: 8 + -1 = 7
13 = 7 + -2x

Solving
13 = 7 + -2x

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
13 + 2x = 7 + -2x + 2x

Combine like terms: -2x + 2x = 0
13 + 2x = 7 + 0
13 + 2x = 7

Add '-13' to each side of the equation.
13 + -13 + 2x = 7 + -13

Combine like terms: 13 + -13 = 0
0 + 2x = 7 + -13
2x = 7 + -13

Combine like terms: 7 + -13 = -6
2x = -6

Divide each side by '2'.
x = -3

Simplifying
x = -3

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