y^2-1=48

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Solution for y^2-1=48 equation: 


Simplifying
y2 + -1 = 48

Reorder the terms:
-1 + y2 = 48

Solving
-1 + y2 = 48

Solving for variable 'y'.

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

Add '1' to each side of the equation.
-1 + 1 + y2 = 48 + 1

Combine like terms: -1 + 1 = 0
0 + y2 = 48 + 1
y2 = 48 + 1

Combine like terms: 48 + 1 = 49
y2 = 49

Simplifying
y2 = 49

Take the square root of each side:
y = {-7, 7}

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