7z^2=63

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Solution for 7z^2=63 equation: 


Simplifying
7z2 = 63

Solving
7z2 = 63

Solving for variable 'z'.

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

Divide each side by '7'.
z2 = 9

Simplifying
z2 = 9

Take the square root of each side:
z = {-3, 3}

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