-9(z-5)-5(z+4)=

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Solution for -9(z-5)-5(z+4)= equation:


Simplifying
-9(z + -5) + -5(z + 4) = 0

Reorder the terms:
-9(-5 + z) + -5(z + 4) = 0
(-5 * -9 + z * -9) + -5(z + 4) = 0
(45 + -9z) + -5(z + 4) = 0

Reorder the terms:
45 + -9z + -5(4 + z) = 0
45 + -9z + (4 * -5 + z * -5) = 0
45 + -9z + (-20 + -5z) = 0

Reorder the terms:
45 + -20 + -9z + -5z = 0

Combine like terms: 45 + -20 = 25
25 + -9z + -5z = 0

Combine like terms: -9z + -5z = -14z
25 + -14z = 0

Solving
25 + -14z = 0

Solving for variable 'z'.

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

Add '-25' to each side of the equation.
25 + -25 + -14z = 0 + -25

Combine like terms: 25 + -25 = 0
0 + -14z = 0 + -25
-14z = 0 + -25

Combine like terms: 0 + -25 = -25
-14z = -25

Divide each side by '-14'.
z = 1.785714286

Simplifying
z = 1.785714286

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