7y-5y-12=28.30

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Solution for 7y-5y-12=28.30 equation:


Simplifying
7y + -5y + -12 = 28.30

Reorder the terms:
-12 + 7y + -5y = 28.30

Combine like terms: 7y + -5y = 2y
-12 + 2y = 28.30

Solving
-12 + 2y = 28.30

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 = 28.30 + 12

Combine like terms: -12 + 12 = 0
0 + 2y = 28.30 + 12
2y = 28.30 + 12

Combine like terms: 28.30 + 12 = 40.3
2y = 40.3

Divide each side by '2'.
y = 20.15

Simplifying
y = 20.15

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