2y-42=4

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Solution for 2y-42=4 equation: 


Simplifying
2y + -42 = 4

Reorder the terms:
-42 + 2y = 4

Solving
-42 + 2y = 4

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 + 2y = 4 + 42

Combine like terms: -42 + 42 = 0
0 + 2y = 4 + 42
2y = 4 + 42

Combine like terms: 4 + 42 = 46
2y = 46

Divide each side by '2'.
y = 23

Simplifying
y = 23

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