y^2-8+21=6

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Solution for y^2-8+21=6 equation:


Simplifying
y2 + -8 + 21 = 6

Reorder the terms:
-8 + 21 + y2 = 6

Combine like terms: -8 + 21 = 13
13 + y2 = 6

Solving
13 + y2 = 6

Solving for variable 'y'.

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

Add '-13' to each side of the equation.
13 + -13 + y2 = 6 + -13

Combine like terms: 13 + -13 = 0
0 + y2 = 6 + -13
y2 = 6 + -13

Combine like terms: 6 + -13 = -7
y2 = -7

Simplifying
y2 = -7

Reorder the terms:
7 + y2 = -7 + 7

Combine like terms: -7 + 7 = 0
7 + y2 = 0

The solution to this equation could not be determined.

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