13=-7x-8

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Solution for 13=-7x-8 equation:


Simplifying
13 = -7x + -8

Reorder the terms:
13 = -8 + -7x

Solving
13 = -8 + -7x

Solving for variable 'x'.

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

Add '7x' to each side of the equation.
13 + 7x = -8 + -7x + 7x

Combine like terms: -7x + 7x = 0
13 + 7x = -8 + 0
13 + 7x = -8

Add '-13' to each side of the equation.
13 + -13 + 7x = -8 + -13

Combine like terms: 13 + -13 = 0
0 + 7x = -8 + -13
7x = -8 + -13

Combine like terms: -8 + -13 = -21
7x = -21

Divide each side by '7'.
x = -3

Simplifying
x = -3

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