2-9y=42-y

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Solution for 2-9y=42-y equation: 


Simplifying
2 + -9y = 42 + -1y

Solving
2 + -9y = 42 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
2 + -9y + y = 42 + -1y + y

Combine like terms: -9y + y = -8y
2 + -8y = 42 + -1y + y

Combine like terms: -1y + y = 0
2 + -8y = 42 + 0
2 + -8y = 42

Add '-2' to each side of the equation.
2 + -2 + -8y = 42 + -2

Combine like terms: 2 + -2 = 0
0 + -8y = 42 + -2
-8y = 42 + -2

Combine like terms: 42 + -2 = 40
-8y = 40

Divide each side by '-8'.
y = -5

Simplifying
y = -5

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