-(Y-7)=12

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Solution for -(Y-7)=12 equation: 


Simplifying
-1(Y + -7) = 12

Reorder the terms:
-1(-7 + Y) = 12
(-7 * -1 + Y * -1) = 12
(7 + -1Y) = 12

Solving
7 + -1Y = 12

Solving for variable 'Y'.

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

Add '-7' to each side of the equation.
7 + -7 + -1Y = 12 + -7

Combine like terms: 7 + -7 = 0
0 + -1Y = 12 + -7
-1Y = 12 + -7

Combine like terms: 12 + -7 = 5
-1Y = 5

Divide each side by '-1'.
Y = -5

Simplifying
Y = -5

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