d^2-18=103

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Solution for d^2-18=103 equation: 


Simplifying
d2 + -18 = 103

Reorder the terms:
-18 + d2 = 103

Solving
-18 + d2 = 103

Solving for variable 'd'.

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

Add '18' to each side of the equation.
-18 + 18 + d2 = 103 + 18

Combine like terms: -18 + 18 = 0
0 + d2 = 103 + 18
d2 = 103 + 18

Combine like terms: 103 + 18 = 121
d2 = 121

Simplifying
d2 = 121

Take the square root of each side:
d = {-11, 11}

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