10(100-2z)-90=

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Solution for 10(100-2z)-90= equation:


Simplifying
10(100 + -2z) + -90 = 0
(100 * 10 + -2z * 10) + -90 = 0
(1000 + -20z) + -90 = 0

Reorder the terms:
1000 + -90 + -20z = 0

Combine like terms: 1000 + -90 = 910
910 + -20z = 0

Solving
910 + -20z = 0

Solving for variable 'z'.

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

Add '-910' to each side of the equation.
910 + -910 + -20z = 0 + -910

Combine like terms: 910 + -910 = 0
0 + -20z = 0 + -910
-20z = 0 + -910

Combine like terms: 0 + -910 = -910
-20z = -910

Divide each side by '-20'.
z = 45.5

Simplifying
z = 45.5

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