81z^2=49

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Solution for 81z^2=49 equation: 


Simplifying
81z2 = 49

Solving
81z2 = 49

Solving for variable 'z'.

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

Divide each side by '81'.
z2 = 0.6049382716

Simplifying
z2 = 0.6049382716

Take the square root of each side:
z = {-0.777777778, 0.777777778}

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