14y-2(y-9)+21=

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Solution for 14y-2(y-9)+21= equation:


Simplifying
14y + -2(y + -9) + 21 = 0

Reorder the terms:
14y + -2(-9 + y) + 21 = 0
14y + (-9 * -2 + y * -2) + 21 = 0
14y + (18 + -2y) + 21 = 0

Reorder the terms:
18 + 21 + 14y + -2y = 0

Combine like terms: 18 + 21 = 39
39 + 14y + -2y = 0

Combine like terms: 14y + -2y = 12y
39 + 12y = 0

Solving
39 + 12y = 0

Solving for variable 'y'.

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

Add '-39' to each side of the equation.
39 + -39 + 12y = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 12y = 0 + -39
12y = 0 + -39

Combine like terms: 0 + -39 = -39
12y = -39

Divide each side by '12'.
y = -3.25

Simplifying
y = -3.25

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