3d-7=8-3d

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Solution for 3d-7=8-3d equation:


Simplifying
3d + -7 = 8 + -3d

Reorder the terms:
-7 + 3d = 8 + -3d

Solving
-7 + 3d = 8 + -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.
-7 + 3d + 3d = 8 + -3d + 3d

Combine like terms: 3d + 3d = 6d
-7 + 6d = 8 + -3d + 3d

Combine like terms: -3d + 3d = 0
-7 + 6d = 8 + 0
-7 + 6d = 8

Add '7' to each side of the equation.
-7 + 7 + 6d = 8 + 7

Combine like terms: -7 + 7 = 0
0 + 6d = 8 + 7
6d = 8 + 7

Combine like terms: 8 + 7 = 15
6d = 15

Divide each side by '6'.
d = 2.5

Simplifying
d = 2.5

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