3d+5=-7

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Solution for 3d+5=-7 equation: 


Simplifying
3d + 5 = -7

Reorder the terms:
5 + 3d = -7

Solving
5 + 3d = -7

Solving for variable 'd'.

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

Add '-5' to each side of the equation.
5 + -5 + 3d = -7 + -5

Combine like terms: 5 + -5 = 0
0 + 3d = -7 + -5
3d = -7 + -5

Combine like terms: -7 + -5 = -12
3d = -12

Divide each side by '3'.
d = -4

Simplifying
d = -4

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