(3y+9y-5).5=y+3

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Solution for (3y+9y-5).5=y+3 equation:


Simplifying
(3y + 9y + -5) * 0.5 = y + 3

Reorder the terms:
(-5 + 3y + 9y) * 0.5 = y + 3

Combine like terms: 3y + 9y = 12y
(-5 + 12y) * 0.5 = y + 3

Reorder the terms for easier multiplication:
0.5(-5 + 12y) = y + 3
(-5 * 0.5 + 12y * 0.5) = y + 3
(-2.5 + 6y) = y + 3

Reorder the terms:
-2.5 + 6y = 3 + y

Solving
-2.5 + 6y = 3 + y

Solving for variable 'y'.

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

Add '-1y' to each side of the equation.
-2.5 + 6y + -1y = 3 + y + -1y

Combine like terms: 6y + -1y = 5y
-2.5 + 5y = 3 + y + -1y

Combine like terms: y + -1y = 0
-2.5 + 5y = 3 + 0
-2.5 + 5y = 3

Add '2.5' to each side of the equation.
-2.5 + 2.5 + 5y = 3 + 2.5

Combine like terms: -2.5 + 2.5 = 0.0
0.0 + 5y = 3 + 2.5
5y = 3 + 2.5

Combine like terms: 3 + 2.5 = 5.5
5y = 5.5

Divide each side by '5'.
y = 1.1

Simplifying
y = 1.1

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