(16z-9)+(4z+3)=90

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Solution for (16z-9)+(4z+3)=90 equation:


Simplifying
(16z + -9) + (4z + 3) = 90

Reorder the terms:
(-9 + 16z) + (4z + 3) = 90

Remove parenthesis around (-9 + 16z)
-9 + 16z + (4z + 3) = 90

Reorder the terms:
-9 + 16z + (3 + 4z) = 90

Remove parenthesis around (3 + 4z)
-9 + 16z + 3 + 4z = 90

Reorder the terms:
-9 + 3 + 16z + 4z = 90

Combine like terms: -9 + 3 = -6
-6 + 16z + 4z = 90

Combine like terms: 16z + 4z = 20z
-6 + 20z = 90

Solving
-6 + 20z = 90

Solving for variable 'z'.

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

Add '6' to each side of the equation.
-6 + 6 + 20z = 90 + 6

Combine like terms: -6 + 6 = 0
0 + 20z = 90 + 6
20z = 90 + 6

Combine like terms: 90 + 6 = 96
20z = 96

Divide each side by '20'.
z = 4.8

Simplifying
z = 4.8

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