45=3y-15

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Solution for 45=3y-15 equation: 


Simplifying
45 = 3y + -15

Reorder the terms:
45 = -15 + 3y

Solving
45 = -15 + 3y

Solving for variable 'y'.

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

Add '-3y' to each side of the equation.
45 + -3y = -15 + 3y + -3y

Combine like terms: 3y + -3y = 0
45 + -3y = -15 + 0
45 + -3y = -15

Add '-45' to each side of the equation.
45 + -45 + -3y = -15 + -45

Combine like terms: 45 + -45 = 0
0 + -3y = -15 + -45
-3y = -15 + -45

Combine like terms: -15 + -45 = -60
-3y = -60

Divide each side by '-3'.
y = 20

Simplifying
y = 20

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