7d+7=8d

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Solution for 7d+7=8d equation:


Simplifying
7d + 7 = 8d

Reorder the terms:
7 + 7d = 8d

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

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

Combine like terms: 8d + -8d = 0
7 + -1d = 0

Add '-7' to each side of the equation.
7 + -7 + -1d = 0 + -7

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

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

Divide each side by '-1'.
d = 7

Simplifying
d = 7

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