7Y+12-5Y=42

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Solution for 7Y+12-5Y=42 equation:


Simplifying
7Y + 12 + -5Y = 42

Reorder the terms:
12 + 7Y + -5Y = 42

Combine like terms: 7Y + -5Y = 2Y
12 + 2Y = 42

Solving
12 + 2Y = 42

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 = 42 + -12

Combine like terms: 12 + -12 = 0
0 + 2Y = 42 + -12
2Y = 42 + -12

Combine like terms: 42 + -12 = 30
2Y = 30

Divide each side by '2'.
Y = 15

Simplifying
Y = 15

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