90=3y-3

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Solution for 90=3y-3 equation:


Simplifying
90 = 3y + -3

Reorder the terms:
90 = -3 + 3y

Solving
90 = -3 + 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.
90 + -3y = -3 + 3y + -3y

Combine like terms: 3y + -3y = 0
90 + -3y = -3 + 0
90 + -3y = -3

Add '-90' to each side of the equation.
90 + -90 + -3y = -3 + -90

Combine like terms: 90 + -90 = 0
0 + -3y = -3 + -90
-3y = -3 + -90

Combine like terms: -3 + -90 = -93
-3y = -93

Divide each side by '-3'.
y = 31

Simplifying
y = 31

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