-1-2y=-9

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Solution for -1-2y=-9 equation: 


Simplifying
-1 + -2y = -9

Solving
-1 + -2y = -9

Solving for variable 'y'.

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

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

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

Combine like terms: -9 + 1 = -8
-2y = -8

Divide each side by '-2'.
y = 4

Simplifying
y = 4

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