2=y-9

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Solution for 2=y-9 equation:


Simplifying
2 = y + -9

Reorder the terms:
2 = -9 + y

Solving
2 = -9 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
2 + -1y = -9 + y + -1y

Combine like terms: y + -1y = 0
2 + -1y = -9 + 0
2 + -1y = -9

Add '-2' to each side of the equation.
2 + -2 + -1y = -9 + -2

Combine like terms: 2 + -2 = 0
0 + -1y = -9 + -2
-1y = -9 + -2

Combine like terms: -9 + -2 = -11
-1y = -11

Divide each side by '-1'.
y = 11

Simplifying
y = 11

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