2y-4=1

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Solution for 2y-4=1 equation: 


Simplifying
2y + -4 = 1

Reorder the terms:
-4 + 2y = 1

Solving
-4 + 2y = 1

Solving for variable 'y'.

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

Add '4' to each side of the equation.
-4 + 4 + 2y = 1 + 4

Combine like terms: -4 + 4 = 0
0 + 2y = 1 + 4
2y = 1 + 4

Combine like terms: 1 + 4 = 5
2y = 5

Divide each side by '2'.
y = 2.5

Simplifying
y = 2.5

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