2d-d+1=13

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Solution for 2d-d+1=13 equation:


Simplifying
2d + -1d + 1 = 13

Reorder the terms:
1 + 2d + -1d = 13

Combine like terms: 2d + -1d = 1d
1 + 1d = 13

Solving
1 + 1d = 13

Solving for variable 'd'.

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

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

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

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

Divide each side by '1'.
d = 12

Simplifying
d = 12

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