169=25-a^2

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Solution for 169=25-a^2 equation:


Simplifying
169 = 25 + -1a2

Solving
169 = 25 + -1a2

Solving for variable 'a'.

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

Add 'a2' to each side of the equation.
169 + a2 = 25 + -1a2 + a2

Combine like terms: -1a2 + a2 = 0
169 + a2 = 25 + 0
169 + a2 = 25

Add '-169' to each side of the equation.
169 + -169 + a2 = 25 + -169

Combine like terms: 169 + -169 = 0
0 + a2 = 25 + -169
a2 = 25 + -169

Combine like terms: 25 + -169 = -144
a2 = -144

Simplifying
a2 = -144

Reorder the terms:
144 + a2 = -144 + 144

Combine like terms: -144 + 144 = 0
144 + a2 = 0

The solution to this equation could not be determined.

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