y-2.5=-9

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Solution for y-2.5=-9 equation: 


Simplifying
y + -2.5 = -9

Reorder the terms:
-2.5 + y = -9

Solving
-2.5 + y = -9

Solving for variable 'y'.

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

Add '2.5' to each side of the equation.
-2.5 + 2.5 + y = -9 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + y = -9 + 2.5
y = -9 + 2.5

Combine like terms: -9 + 2.5 = -6.5
y = -6.5

Simplifying
y = -6.5

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