-(4-y)=15

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Solution for -(4-y)=15 equation:


Simplifying
-1(4 + -1y) = 15
(4 * -1 + -1y * -1) = 15
(-4 + 1y) = 15

Solving
-4 + 1y = 15

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 1y = 15 + 4

Combine like terms: -4 + 4 = 0
0 + 1y = 15 + 4
1y = 15 + 4

Combine like terms: 15 + 4 = 19
1y = 19

Divide each side by '1'.
y = 19

Simplifying
y = 19

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