[3y-12]-7=2

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Solution for [3y-12]-7=2 equation:


Simplifying
[3y + -12] + -7 = 2

Reorder the terms:
[-12 + 3y] + -7 = 2

Remove brackets around [-12 + 3y]
-12 + 3y + -7 = 2

Reorder the terms:
-12 + -7 + 3y = 2

Combine like terms: -12 + -7 = -19
-19 + 3y = 2

Solving
-19 + 3y = 2

Solving for variable 'y'.

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

Add '19' to each side of the equation.
-19 + 19 + 3y = 2 + 19

Combine like terms: -19 + 19 = 0
0 + 3y = 2 + 19
3y = 2 + 19

Combine like terms: 2 + 19 = 21
3y = 21

Divide each side by '3'.
y = 7

Simplifying
y = 7

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