3d+1=15-4d

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Solution for 3d+1=15-4d equation:


Simplifying
3d + 1 = 15 + -4d

Reorder the terms:
1 + 3d = 15 + -4d

Solving
1 + 3d = 15 + -4d

Solving for variable 'd'.

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

Add '4d' to each side of the equation.
1 + 3d + 4d = 15 + -4d + 4d

Combine like terms: 3d + 4d = 7d
1 + 7d = 15 + -4d + 4d

Combine like terms: -4d + 4d = 0
1 + 7d = 15 + 0
1 + 7d = 15

Add '-1' to each side of the equation.
1 + -1 + 7d = 15 + -1

Combine like terms: 1 + -1 = 0
0 + 7d = 15 + -1
7d = 15 + -1

Combine like terms: 15 + -1 = 14
7d = 14

Divide each side by '7'.
d = 2

Simplifying
d = 2

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