(4z-13)+(9-9z)=

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Solution for (4z-13)+(9-9z)= equation:


Simplifying
(4z + -13) + (9 + -9z) = 0

Reorder the terms:
(-13 + 4z) + (9 + -9z) = 0

Remove parenthesis around (-13 + 4z)
-13 + 4z + (9 + -9z) = 0

Remove parenthesis around (9 + -9z)
-13 + 4z + 9 + -9z = 0

Reorder the terms:
-13 + 9 + 4z + -9z = 0

Combine like terms: -13 + 9 = -4
-4 + 4z + -9z = 0

Combine like terms: 4z + -9z = -5z
-4 + -5z = 0

Solving
-4 + -5z = 0

Solving for variable 'z'.

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

Add '4' to each side of the equation.
-4 + 4 + -5z = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -5z = 0 + 4
-5z = 0 + 4

Combine like terms: 0 + 4 = 4
-5z = 4

Divide each side by '-5'.
z = -0.8

Simplifying
z = -0.8

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