4+d=7

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Solution for 4+d=7 equation: 


Simplifying
4 + d = 7

Solving
4 + d = 7

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 = 7 + -4

Combine like terms: 4 + -4 = 0
0 + d = 7 + -4
d = 7 + -4

Combine like terms: 7 + -4 = 3
d = 3

Simplifying
d = 3

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