-(y-4)=17

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Solution for -(y-4)=17 equation: 


Simplifying
-1(y + -4) = 17

Reorder the terms:
-1(-4 + y) = 17
(-4 * -1 + y * -1) = 17
(4 + -1y) = 17

Solving
4 + -1y = 17

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 = 17 + -4

Combine like terms: 4 + -4 = 0
0 + -1y = 17 + -4
-1y = 17 + -4

Combine like terms: 17 + -4 = 13
-1y = 13

Divide each side by '-1'.
y = -13

Simplifying
y = -13

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