15+d=19

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Solution for 15+d=19 equation: 


Simplifying
15 + d = 19

Solving
15 + d = 19

Solving for variable 'd'.

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

Add '-15' to each side of the equation.
15 + -15 + d = 19 + -15

Combine like terms: 15 + -15 = 0
0 + d = 19 + -15
d = 19 + -15

Combine like terms: 19 + -15 = 4
d = 4

Simplifying
d = 4

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