-2(-12.5)-2y=4

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Solution for -2(-12.5)-2y=4 equation: 


Simplifying
-2(-12.5) + -2y = 4

Multiply -2 * -12.5
25 + -2y = 4

Solving
25 + -2y = 4

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 + -2y = 4 + -25

Combine like terms: 25 + -25 = 0
0 + -2y = 4 + -25
-2y = 4 + -25

Combine like terms: 4 + -25 = -21
-2y = -21

Divide each side by '-2'.
y = 10.5

Simplifying
y = 10.5

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