3d+5=5d-7

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Solution for 3d+5=5d-7 equation:


Simplifying
3d + 5 = 5d + -7

Reorder the terms:
5 + 3d = 5d + -7

Reorder the terms:
5 + 3d = -7 + 5d

Solving
5 + 3d = -7 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
5 + 3d + -5d = -7 + 5d + -5d

Combine like terms: 3d + -5d = -2d
5 + -2d = -7 + 5d + -5d

Combine like terms: 5d + -5d = 0
5 + -2d = -7 + 0
5 + -2d = -7

Add '-5' to each side of the equation.
5 + -5 + -2d = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -2d = -7 + -5
-2d = -7 + -5

Combine like terms: -7 + -5 = -12
-2d = -12

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

Simplifying
d = 6

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