(4z-10)+z=90

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Solution for (4z-10)+z=90 equation:


Simplifying
(4z + -10) + z = 90

Reorder the terms:
(-10 + 4z) + z = 90

Remove parenthesis around (-10 + 4z)
-10 + 4z + z = 90

Combine like terms: 4z + z = 5z
-10 + 5z = 90

Solving
-10 + 5z = 90

Solving for variable 'z'.

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

Add '10' to each side of the equation.
-10 + 10 + 5z = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 5z = 90 + 10
5z = 90 + 10

Combine like terms: 90 + 10 = 100
5z = 100

Divide each side by '5'.
z = 20

Simplifying
z = 20

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