4d+8=3d+15

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Solution for 4d+8=3d+15 equation:


Simplifying
4d + 8 = 3d + 15

Reorder the terms:
8 + 4d = 3d + 15

Reorder the terms:
8 + 4d = 15 + 3d

Solving
8 + 4d = 15 + 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.
8 + 4d + -3d = 15 + 3d + -3d

Combine like terms: 4d + -3d = 1d
8 + 1d = 15 + 3d + -3d

Combine like terms: 3d + -3d = 0
8 + 1d = 15 + 0
8 + 1d = 15

Add '-8' to each side of the equation.
8 + -8 + 1d = 15 + -8

Combine like terms: 8 + -8 = 0
0 + 1d = 15 + -8
1d = 15 + -8

Combine like terms: 15 + -8 = 7
1d = 7

Divide each side by '1'.
d = 7

Simplifying
d = 7

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