-8=2y+1

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Solution for -8=2y+1 equation:


Simplifying
-8 = 2y + 1

Reorder the terms:
-8 = 1 + 2y

Solving
-8 = 1 + 2y

Solving for variable 'y'.

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

Add '-2y' to each side of the equation.
-8 + -2y = 1 + 2y + -2y

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

Add '8' to each side of the equation.
-8 + 8 + -2y = 1 + 8

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

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

Divide each side by '-2'.
y = -4.5

Simplifying
y = -4.5

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