d+7=3.5

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Solution for d+7=3.5 equation: 


Simplifying
d + 7 = 3.5

Reorder the terms:
7 + d = 3.5

Solving
7 + d = 3.5

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + d = 3.5 + -7

Combine like terms: 7 + -7 = 0
0 + d = 3.5 + -7
d = 3.5 + -7

Combine like terms: 3.5 + -7 = -3.5
d = -3.5

Simplifying
d = -3.5

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