16*x^2+9*x^2=6400

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Solution for 16*x^2+9*x^2=6400 equation: 


Simplifying
16x2 + 9x2 = 6400

Combine like terms: 16x2 + 9x2 = 25x2
25x2 = 6400

Solving
25x2 = 6400

Solving for variable 'x'.

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

Divide each side by '25'.
x2 = 256

Simplifying
x2 = 256

Take the square root of each side:
x = {-16, 16}

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