6y-42=84

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Solution for 6y-42=84 equation:


Simplifying
6y + -42 = 84

Reorder the terms:
-42 + 6y = 84

Solving
-42 + 6y = 84

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 + 42 + 6y = 84 + 42

Combine like terms: -42 + 42 = 0
0 + 6y = 84 + 42
6y = 84 + 42

Combine like terms: 84 + 42 = 126
6y = 126

Divide each side by '6'.
y = 21

Simplifying
y = 21

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