15y-54=4y+12

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Solution for 15y-54=4y+12 equation:


Simplifying
15y + -54 = 4y + 12

Reorder the terms:
-54 + 15y = 4y + 12

Reorder the terms:
-54 + 15y = 12 + 4y

Solving
-54 + 15y = 12 + 4y

Solving for variable 'y'.

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

Add '-4y' to each side of the equation.
-54 + 15y + -4y = 12 + 4y + -4y

Combine like terms: 15y + -4y = 11y
-54 + 11y = 12 + 4y + -4y

Combine like terms: 4y + -4y = 0
-54 + 11y = 12 + 0
-54 + 11y = 12

Add '54' to each side of the equation.
-54 + 54 + 11y = 12 + 54

Combine like terms: -54 + 54 = 0
0 + 11y = 12 + 54
11y = 12 + 54

Combine like terms: 12 + 54 = 66
11y = 66

Divide each side by '11'.
y = 6

Simplifying
y = 6

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