7d+23=8d+15

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Solution for 7d+23=8d+15 equation:


Simplifying
7d + 23 = 8d + 15

Reorder the terms:
23 + 7d = 8d + 15

Reorder the terms:
23 + 7d = 15 + 8d

Solving
23 + 7d = 15 + 8d

Solving for variable 'd'.

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

Add '-8d' to each side of the equation.
23 + 7d + -8d = 15 + 8d + -8d

Combine like terms: 7d + -8d = -1d
23 + -1d = 15 + 8d + -8d

Combine like terms: 8d + -8d = 0
23 + -1d = 15 + 0
23 + -1d = 15

Add '-23' to each side of the equation.
23 + -23 + -1d = 15 + -23

Combine like terms: 23 + -23 = 0
0 + -1d = 15 + -23
-1d = 15 + -23

Combine like terms: 15 + -23 = -8
-1d = -8

Divide each side by '-1'.
d = 8

Simplifying
d = 8

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