5(z+9)-9(z-7)=

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Solution for 5(z+9)-9(z-7)= equation:


Simplifying
5(z + 9) + -9(z + -7) = 0

Reorder the terms:
5(9 + z) + -9(z + -7) = 0
(9 * 5 + z * 5) + -9(z + -7) = 0
(45 + 5z) + -9(z + -7) = 0

Reorder the terms:
45 + 5z + -9(-7 + z) = 0
45 + 5z + (-7 * -9 + z * -9) = 0
45 + 5z + (63 + -9z) = 0

Reorder the terms:
45 + 63 + 5z + -9z = 0

Combine like terms: 45 + 63 = 108
108 + 5z + -9z = 0

Combine like terms: 5z + -9z = -4z
108 + -4z = 0

Solving
108 + -4z = 0

Solving for variable 'z'.

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

Add '-108' to each side of the equation.
108 + -108 + -4z = 0 + -108

Combine like terms: 108 + -108 = 0
0 + -4z = 0 + -108
-4z = 0 + -108

Combine like terms: 0 + -108 = -108
-4z = -108

Divide each side by '-4'.
z = 27

Simplifying
z = 27

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