-30=(10-5y)2

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Solution for -30=(10-5y)2 equation:


Simplifying
-30 = (10 + -5y) * 2

Reorder the terms for easier multiplication:
-30 = 2(10 + -5y)
-30 = (10 * 2 + -5y * 2)
-30 = (20 + -10y)

Solving
-30 = 20 + -10y

Solving for variable 'y'.

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

Add '10y' to each side of the equation.
-30 + 10y = 20 + -10y + 10y

Combine like terms: -10y + 10y = 0
-30 + 10y = 20 + 0
-30 + 10y = 20

Add '30' to each side of the equation.
-30 + 30 + 10y = 20 + 30

Combine like terms: -30 + 30 = 0
0 + 10y = 20 + 30
10y = 20 + 30

Combine like terms: 20 + 30 = 50
10y = 50

Divide each side by '10'.
y = 5

Simplifying
y = 5

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