3x+Y+42=15

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Solution for 3x+Y+42=15 equation:


Simplifying
3x + Y + 42 = 15

Reorder the terms:
42 + Y + 3x = 15

Solving
42 + Y + 3x = 15

Solving for variable 'Y'.

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

Add '-42' to each side of the equation.
42 + Y + -42 + 3x = 15 + -42

Reorder the terms:
42 + -42 + Y + 3x = 15 + -42

Combine like terms: 42 + -42 = 0
0 + Y + 3x = 15 + -42
Y + 3x = 15 + -42

Combine like terms: 15 + -42 = -27
Y + 3x = -27

Add '-3x' to each side of the equation.
Y + 3x + -3x = -27 + -3x

Combine like terms: 3x + -3x = 0
Y + 0 = -27 + -3x
Y = -27 + -3x

Simplifying
Y = -27 + -3x

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