3d+13=-8

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Solution for 3d+13=-8 equation: 


Simplifying
3d + 13 = -8

Reorder the terms:
13 + 3d = -8

Solving
13 + 3d = -8

Solving for variable 'd'.

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

Add '-13' to each side of the equation.
13 + -13 + 3d = -8 + -13

Combine like terms: 13 + -13 = 0
0 + 3d = -8 + -13
3d = -8 + -13

Combine like terms: -8 + -13 = -21
3d = -21

Divide each side by '3'.
d = -7

Simplifying
d = -7

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