100=-20y

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Solution for 100=-20y equation:


Simplifying
100 = -20y

Solving
100 = -20y

Solving for variable 'y'.

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

Add '20y' to each side of the equation.
100 + 20y = -20y + 20y

Combine like terms: -20y + 20y = 0
100 + 20y = 0

Add '-100' to each side of the equation.
100 + -100 + 20y = 0 + -100

Combine like terms: 100 + -100 = 0
0 + 20y = 0 + -100
20y = 0 + -100

Combine like terms: 0 + -100 = -100
20y = -100

Divide each side by '20'.
y = -5

Simplifying
y = -5

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