45=3y-9

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Solution for 45=3y-9 equation:


Simplifying
45 = 3y + -9

Reorder the terms:
45 = -9 + 3y

Solving
45 = -9 + 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 = -9 + 3y + -3y

Combine like terms: 3y + -3y = 0
45 + -3y = -9 + 0
45 + -3y = -9

Add '-45' to each side of the equation.
45 + -45 + -3y = -9 + -45

Combine like terms: 45 + -45 = 0
0 + -3y = -9 + -45
-3y = -9 + -45

Combine like terms: -9 + -45 = -54
-3y = -54

Divide each side by '-3'.
y = 18

Simplifying
y = 18

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