12y+3=9a-15

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Solution for 12y+3=9a-15 equation:


Simplifying
12y + 3 = 9a + -15

Reorder the terms:
3 + 12y = 9a + -15

Reorder the terms:
3 + 12y = -15 + 9a

Solving
3 + 12y = -15 + 9a

Solving for variable 'y'.

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

Add '-3' to each side of the equation.
3 + -3 + 12y = -15 + -3 + 9a

Combine like terms: 3 + -3 = 0
0 + 12y = -15 + -3 + 9a
12y = -15 + -3 + 9a

Combine like terms: -15 + -3 = -18
12y = -18 + 9a

Divide each side by '12'.
y = -1.5 + 0.75a

Simplifying
y = -1.5 + 0.75a

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