7d+5=8d+1

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Solution for 7d+5=8d+1 equation:


Simplifying
7d + 5 = 8d + 1

Reorder the terms:
5 + 7d = 8d + 1

Reorder the terms:
5 + 7d = 1 + 8d

Solving
5 + 7d = 1 + 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.
5 + 7d + -8d = 1 + 8d + -8d

Combine like terms: 7d + -8d = -1d
5 + -1d = 1 + 8d + -8d

Combine like terms: 8d + -8d = 0
5 + -1d = 1 + 0
5 + -1d = 1

Add '-5' to each side of the equation.
5 + -5 + -1d = 1 + -5

Combine like terms: 5 + -5 = 0
0 + -1d = 1 + -5
-1d = 1 + -5

Combine like terms: 1 + -5 = -4
-1d = -4

Divide each side by '-1'.
d = 4

Simplifying
d = 4

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