-8y+1=-9y-4

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Solution for -8y+1=-9y-4 equation: 


Simplifying
-8y + 1 = -9y + -4

Reorder the terms:
1 + -8y = -9y + -4

Reorder the terms:
1 + -8y = -4 + -9y

Solving
1 + -8y = -4 + -9y

Solving for variable 'y'.

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

Add '9y' to each side of the equation.
1 + -8y + 9y = -4 + -9y + 9y

Combine like terms: -8y + 9y = 1y
1 + 1y = -4 + -9y + 9y

Combine like terms: -9y + 9y = 0
1 + 1y = -4 + 0
1 + 1y = -4

Add '-1' to each side of the equation.
1 + -1 + 1y = -4 + -1

Combine like terms: 1 + -1 = 0
0 + 1y = -4 + -1
1y = -4 + -1

Combine like terms: -4 + -1 = -5
1y = -5

Divide each side by '1'.
y = -5

Simplifying
y = -5

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