20+7z=-20-5z-8z

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Solution for 20+7z=-20-5z-8z equation:


Simplifying
20 + 7z = -20 + -5z + -8z

Combine like terms: -5z + -8z = -13z
20 + 7z = -20 + -13z

Solving
20 + 7z = -20 + -13z

Solving for variable 'z'.

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

Add '13z' to each side of the equation.
20 + 7z + 13z = -20 + -13z + 13z

Combine like terms: 7z + 13z = 20z
20 + 20z = -20 + -13z + 13z

Combine like terms: -13z + 13z = 0
20 + 20z = -20 + 0
20 + 20z = -20

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

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

Combine like terms: -20 + -20 = -40
20z = -40

Divide each side by '20'.
z = -2

Simplifying
z = -2

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