2d+7-6=13+3d

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Solution for 2d+7-6=13+3d equation:


Simplifying
2d + 7 + -6 = 13 + 3d

Reorder the terms:
7 + -6 + 2d = 13 + 3d

Combine like terms: 7 + -6 = 1
1 + 2d = 13 + 3d

Solving
1 + 2d = 13 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
1 + 2d + -3d = 13 + 3d + -3d

Combine like terms: 2d + -3d = -1d
1 + -1d = 13 + 3d + -3d

Combine like terms: 3d + -3d = 0
1 + -1d = 13 + 0
1 + -1d = 13

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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