3d-13=7

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Solution for 3d-13=7 equation: 


Simplifying
3d + -13 = 7

Reorder the terms:
-13 + 3d = 7

Solving
-13 + 3d = 7

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 = 7 + 13

Combine like terms: -13 + 13 = 0
0 + 3d = 7 + 13
3d = 7 + 13

Combine like terms: 7 + 13 = 20
3d = 20

Divide each side by '3'.
d = 6.666666667

Simplifying
d = 6.666666667

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