3y+5=8y+15

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Solution for 3y+5=8y+15 equation:


Simplifying
3y + 5 = 8y + 15

Reorder the terms:
5 + 3y = 8y + 15

Reorder the terms:
5 + 3y = 15 + 8y

Solving
5 + 3y = 15 + 8y

Solving for variable 'y'.

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

Add '-8y' to each side of the equation.
5 + 3y + -8y = 15 + 8y + -8y

Combine like terms: 3y + -8y = -5y
5 + -5y = 15 + 8y + -8y

Combine like terms: 8y + -8y = 0
5 + -5y = 15 + 0
5 + -5y = 15

Add '-5' to each side of the equation.
5 + -5 + -5y = 15 + -5

Combine like terms: 5 + -5 = 0
0 + -5y = 15 + -5
-5y = 15 + -5

Combine like terms: 15 + -5 = 10
-5y = 10

Divide each side by '-5'.
y = -2

Simplifying
y = -2

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