3+7d=-4

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Solution for 3+7d=-4 equation: 


Simplifying
3 + 7d = -4

Solving
3 + 7d = -4

Solving for variable 'd'.

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

Add '-3' to each side of the equation.
3 + -3 + 7d = -4 + -3

Combine like terms: 3 + -3 = 0
0 + 7d = -4 + -3
7d = -4 + -3

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

Divide each side by '7'.
d = -1

Simplifying
d = -1

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