4y-12=y+3

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Solution for 4y-12=y+3 equation:


Simplifying
4y + -12 = y + 3

Reorder the terms:
-12 + 4y = y + 3

Reorder the terms:
-12 + 4y = 3 + y

Solving
-12 + 4y = 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.
-12 + 4y + -1y = 3 + y + -1y

Combine like terms: 4y + -1y = 3y
-12 + 3y = 3 + y + -1y

Combine like terms: y + -1y = 0
-12 + 3y = 3 + 0
-12 + 3y = 3

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

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

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

Divide each side by '3'.
y = 5

Simplifying
y = 5

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