15y+30=12y+15

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Solution for 15y+30=12y+15 equation:


Simplifying
15y + 30 = 12y + 15

Reorder the terms:
30 + 15y = 12y + 15

Reorder the terms:
30 + 15y = 15 + 12y

Solving
30 + 15y = 15 + 12y

Solving for variable 'y'.

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

Add '-12y' to each side of the equation.
30 + 15y + -12y = 15 + 12y + -12y

Combine like terms: 15y + -12y = 3y
30 + 3y = 15 + 12y + -12y

Combine like terms: 12y + -12y = 0
30 + 3y = 15 + 0
30 + 3y = 15

Add '-30' to each side of the equation.
30 + -30 + 3y = 15 + -30

Combine like terms: 30 + -30 = 0
0 + 3y = 15 + -30
3y = 15 + -30

Combine like terms: 15 + -30 = -15
3y = -15

Divide each side by '3'.
y = -5

Simplifying
y = -5

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