20=-5z

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Solution for 20=-5z equation:


Simplifying
20 = -5z

Solving
20 = -5z

Solving for variable 'z'.

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

Add '5z' to each side of the equation.
20 + 5z = -5z + 5z

Combine like terms: -5z + 5z = 0
20 + 5z = 0

Add '-20' to each side of the equation.
20 + -20 + 5z = 0 + -20

Combine like terms: 20 + -20 = 0
0 + 5z = 0 + -20
5z = 0 + -20

Combine like terms: 0 + -20 = -20
5z = -20

Divide each side by '5'.
z = -4

Simplifying
z = -4

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