25+a^2=169

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Solution for 25+a^2=169 equation: 


Simplifying
25 + a2 = 169

Solving
25 + a2 = 169

Solving for variable 'a'.

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

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

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

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

Simplifying
a2 = 144

Take the square root of each side:
a = {-12, 12}

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