2(5z+2)-9=85

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Solution for 2(5z+2)-9=85 equation: 


Simplifying
2(5z + 2) + -9 = 85

Reorder the terms:
2(2 + 5z) + -9 = 85
(2 * 2 + 5z * 2) + -9 = 85
(4 + 10z) + -9 = 85

Reorder the terms:
4 + -9 + 10z = 85

Combine like terms: 4 + -9 = -5
-5 + 10z = 85

Solving
-5 + 10z = 85

Solving for variable 'z'.

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

Add '5' to each side of the equation.
-5 + 5 + 10z = 85 + 5

Combine like terms: -5 + 5 = 0
0 + 10z = 85 + 5
10z = 85 + 5

Combine like terms: 85 + 5 = 90
10z = 90

Divide each side by '10'.
z = 9

Simplifying
z = 9

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