4+d=25

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Solution for 4+d=25 equation:


Simplifying
4 + d = 25

Solving
4 + d = 25

Solving for variable 'd'.

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

Add '-4' to each side of the equation.
4 + -4 + d = 25 + -4

Combine like terms: 4 + -4 = 0
0 + d = 25 + -4
d = 25 + -4

Combine like terms: 25 + -4 = 21
d = 21

Simplifying
d = 21

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