(12y+12)-21=

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Solution for (12y+12)-21= equation:


Simplifying
(12y + 12) + -21 = 0

Reorder the terms:
(12 + 12y) + -21 = 0

Remove parenthesis around (12 + 12y)
12 + 12y + -21 = 0

Reorder the terms:
12 + -21 + 12y = 0

Combine like terms: 12 + -21 = -9
-9 + 12y = 0

Solving
-9 + 12y = 0

Solving for variable 'y'.

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

Add '9' to each side of the equation.
-9 + 9 + 12y = 0 + 9

Combine like terms: -9 + 9 = 0
0 + 12y = 0 + 9
12y = 0 + 9

Combine like terms: 0 + 9 = 9
12y = 9

Divide each side by '12'.
y = 0.75

Simplifying
y = 0.75

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