3y-1.5=9

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Solution for 3y-1.5=9 equation: 


Simplifying
3y + -1.5 = 9

Reorder the terms:
-1.5 + 3y = 9

Solving
-1.5 + 3y = 9

Solving for variable 'y'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + 3y = 9 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + 3y = 9 + 1.5
3y = 9 + 1.5

Combine like terms: 9 + 1.5 = 10.5
3y = 10.5

Divide each side by '3'.
y = 3.5

Simplifying
y = 3.5

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