12Y-5=21-Y

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Solution for 12Y-5=21-Y equation:


Simplifying
12Y + -5 = 21 + -1Y

Reorder the terms:
-5 + 12Y = 21 + -1Y

Solving
-5 + 12Y = 21 + -1Y

Solving for variable 'Y'.

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

Add 'Y' to each side of the equation.
-5 + 12Y + Y = 21 + -1Y + Y

Combine like terms: 12Y + Y = 13Y
-5 + 13Y = 21 + -1Y + Y

Combine like terms: -1Y + Y = 0
-5 + 13Y = 21 + 0
-5 + 13Y = 21

Add '5' to each side of the equation.
-5 + 5 + 13Y = 21 + 5

Combine like terms: -5 + 5 = 0
0 + 13Y = 21 + 5
13Y = 21 + 5

Combine like terms: 21 + 5 = 26
13Y = 26

Divide each side by '13'.
Y = 2

Simplifying
Y = 2

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