13=-4z-8

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Solution for 13=-4z-8 equation:


Simplifying
13 = -4z + -8

Reorder the terms:
13 = -8 + -4z

Solving
13 = -8 + -4z

Solving for variable 'z'.

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

Add '4z' to each side of the equation.
13 + 4z = -8 + -4z + 4z

Combine like terms: -4z + 4z = 0
13 + 4z = -8 + 0
13 + 4z = -8

Add '-13' to each side of the equation.
13 + -13 + 4z = -8 + -13

Combine like terms: 13 + -13 = 0
0 + 4z = -8 + -13
4z = -8 + -13

Combine like terms: -8 + -13 = -21
4z = -21

Divide each side by '4'.
z = -5.25

Simplifying
z = -5.25

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