y^2+42=43

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Solution for y^2+42=43 equation: 


Simplifying
y2 + 42 = 43

Reorder the terms:
42 + y2 = 43

Solving
42 + y2 = 43

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 + y2 = 43 + -42

Combine like terms: 42 + -42 = 0
0 + y2 = 43 + -42
y2 = 43 + -42

Combine like terms: 43 + -42 = 1
y2 = 1

Simplifying
y2 = 1

Take the square root of each side:
y = {-1, 1}

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