3y-45=90

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Solution for 3y-45=90 equation: 


Simplifying
3y + -45 = 90

Reorder the terms:
-45 + 3y = 90

Solving
-45 + 3y = 90

Solving for variable 'y'.

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

Add '45' to each side of the equation.
-45 + 45 + 3y = 90 + 45

Combine like terms: -45 + 45 = 0
0 + 3y = 90 + 45
3y = 90 + 45

Combine like terms: 90 + 45 = 135
3y = 135

Divide each side by '3'.
y = 45

Simplifying
y = 45

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