3y+5y-1=15

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Solution for 3y+5y-1=15 equation: 


Simplifying
3y + 5y + -1 = 15

Reorder the terms:
-1 + 3y + 5y = 15

Combine like terms: 3y + 5y = 8y
-1 + 8y = 15

Solving
-1 + 8y = 15

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + 8y = 15 + 1

Combine like terms: -1 + 1 = 0
0 + 8y = 15 + 1
8y = 15 + 1

Combine like terms: 15 + 1 = 16
8y = 16

Divide each side by '8'.
y = 2

Simplifying
y = 2

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