64-9d^2=7

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Solution for 64-9d^2=7 equation:


Simplifying
64 + -9d2 = 7

Solving
64 + -9d2 = 7

Solving for variable 'd'.

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

Add '-64' to each side of the equation.
64 + -64 + -9d2 = 7 + -64

Combine like terms: 64 + -64 = 0
0 + -9d2 = 7 + -64
-9d2 = 7 + -64

Combine like terms: 7 + -64 = -57
-9d2 = -57

Divide each side by '-9'.
d2 = 6.333333333

Simplifying
d2 = 6.333333333

Take the square root of each side:
d = {-2.516611478, 2.516611478}

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