3d-1=9d-13

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Solution for 3d-1=9d-13 equation:


Simplifying
3d + -1 = 9d + -13

Reorder the terms:
-1 + 3d = 9d + -13

Reorder the terms:
-1 + 3d = -13 + 9d

Solving
-1 + 3d = -13 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-1 + 3d + -9d = -13 + 9d + -9d

Combine like terms: 3d + -9d = -6d
-1 + -6d = -13 + 9d + -9d

Combine like terms: 9d + -9d = 0
-1 + -6d = -13 + 0
-1 + -6d = -13

Add '1' to each side of the equation.
-1 + 1 + -6d = -13 + 1

Combine like terms: -1 + 1 = 0
0 + -6d = -13 + 1
-6d = -13 + 1

Combine like terms: -13 + 1 = -12
-6d = -12

Divide each side by '-6'.
d = 2

Simplifying
d = 2

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