-40=y-9

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Solution for -40=y-9 equation:


Simplifying
-40 = y + -9

Reorder the terms:
-40 = -9 + y

Solving
-40 = -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.
-40 + -1y = -9 + y + -1y

Combine like terms: y + -1y = 0
-40 + -1y = -9 + 0
-40 + -1y = -9

Add '40' to each side of the equation.
-40 + 40 + -1y = -9 + 40

Combine like terms: -40 + 40 = 0
0 + -1y = -9 + 40
-1y = -9 + 40

Combine like terms: -9 + 40 = 31
-1y = 31

Divide each side by '-1'.
y = -31

Simplifying
y = -31

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