(5z+8)+(4z+20)=180

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Solution for (5z+8)+(4z+20)=180 equation: 


Simplifying
(5z + 8) + (4z + 20) = 180

Reorder the terms:
(8 + 5z) + (4z + 20) = 180

Remove parenthesis around (8 + 5z)
8 + 5z + (4z + 20) = 180

Reorder the terms:
8 + 5z + (20 + 4z) = 180

Remove parenthesis around (20 + 4z)
8 + 5z + 20 + 4z = 180

Reorder the terms:
8 + 20 + 5z + 4z = 180

Combine like terms: 8 + 20 = 28
28 + 5z + 4z = 180

Combine like terms: 5z + 4z = 9z
28 + 9z = 180

Solving
28 + 9z = 180

Solving for variable 'z'.

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

Add '-28' to each side of the equation.
28 + -28 + 9z = 180 + -28

Combine like terms: 28 + -28 = 0
0 + 9z = 180 + -28
9z = 180 + -28

Combine like terms: 180 + -28 = 152
9z = 152

Divide each side by '9'.
z = 16.88888889

Simplifying
z = 16.88888889

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