2y-2+14=21

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Solution for 2y-2+14=21 equation:


Simplifying
2y + -2 + 14 = 21

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

Combine like terms: -2 + 14 = 12
12 + 2y = 21

Solving
12 + 2y = 21

Solving for variable 'y'.

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

Add '-12' to each side of the equation.
12 + -12 + 2y = 21 + -12

Combine like terms: 12 + -12 = 0
0 + 2y = 21 + -12
2y = 21 + -12

Combine like terms: 21 + -12 = 9
2y = 9

Divide each side by '2'.
y = 4.5

Simplifying
y = 4.5

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