31=d+45

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Solution for 31=d+45 equation:


Simplifying
31 = d + 45

Reorder the terms:
31 = 45 + d

Solving
31 = 45 + d

Solving for variable 'd'.

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

Add '-1d' to each side of the equation.
31 + -1d = 45 + d + -1d

Combine like terms: d + -1d = 0
31 + -1d = 45 + 0
31 + -1d = 45

Add '-31' to each side of the equation.
31 + -31 + -1d = 45 + -31

Combine like terms: 31 + -31 = 0
0 + -1d = 45 + -31
-1d = 45 + -31

Combine like terms: 45 + -31 = 14
-1d = 14

Divide each side by '-1'.
d = -14

Simplifying
d = -14

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