8y+20=9y+25

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Solution for 8y+20=9y+25 equation:


Simplifying
8y + 20 = 9y + 25

Reorder the terms:
20 + 8y = 9y + 25

Reorder the terms:
20 + 8y = 25 + 9y

Solving
20 + 8y = 25 + 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.
20 + 8y + -9y = 25 + 9y + -9y

Combine like terms: 8y + -9y = -1y
20 + -1y = 25 + 9y + -9y

Combine like terms: 9y + -9y = 0
20 + -1y = 25 + 0
20 + -1y = 25

Add '-20' to each side of the equation.
20 + -20 + -1y = 25 + -20

Combine like terms: 20 + -20 = 0
0 + -1y = 25 + -20
-1y = 25 + -20

Combine like terms: 25 + -20 = 5
-1y = 5

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

Simplifying
y = -5

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