13-3d=-8

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Solution for 13-3d=-8 equation: 


Simplifying
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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