4z+5(z-1)+5(z-4)=0

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Solution for 4z+5(z-1)+5(z-4)=0 equation:


Simplifying
4z + 5(z + -1) + 5(z + -4) = 0

Reorder the terms:
4z + 5(-1 + z) + 5(z + -4) = 0
4z + (-1 * 5 + z * 5) + 5(z + -4) = 0
4z + (-5 + 5z) + 5(z + -4) = 0

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

Reorder the terms:
-5 + -20 + 4z + 5z + 5z = 0

Combine like terms: -5 + -20 = -25
-25 + 4z + 5z + 5z = 0

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