3y-18-5y=15

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Solution for 3y-18-5y=15 equation:


Simplifying
3y + -18 + -5y = 15

Reorder the terms:
-18 + 3y + -5y = 15

Combine like terms: 3y + -5y = -2y
-18 + -2y = 15

Solving
-18 + -2y = 15

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + -2y = 15 + 18

Combine like terms: -18 + 18 = 0
0 + -2y = 15 + 18
-2y = 15 + 18

Combine like terms: 15 + 18 = 33
-2y = 33

Divide each side by '-2'.
y = -16.5

Simplifying
y = -16.5

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