5*5-10y=-80

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Solution for 5*5-10y=-80 equation: 


Simplifying
5 * 5 + -10y = -80

Multiply 5 * 5
25 + -10y = -80

Solving
25 + -10y = -80

Solving for variable 'y'.

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

Add '-25' to each side of the equation.
25 + -25 + -10y = -80 + -25

Combine like terms: 25 + -25 = 0
0 + -10y = -80 + -25
-10y = -80 + -25

Combine like terms: -80 + -25 = -105
-10y = -105

Divide each side by '-10'.
y = 10.5

Simplifying
y = 10.5

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