7d-3+2d=5d-8+1

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Solution for 7d-3+2d=5d-8+1 equation: 


Simplifying
7d + -3 + 2d = 5d + -8 + 1

Reorder the terms:
-3 + 7d + 2d = 5d + -8 + 1

Combine like terms: 7d + 2d = 9d
-3 + 9d = 5d + -8 + 1

Reorder the terms:
-3 + 9d = -8 + 1 + 5d

Combine like terms: -8 + 1 = -7
-3 + 9d = -7 + 5d

Solving
-3 + 9d = -7 + 5d

Solving for variable 'd'.

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

Add '-5d' to each side of the equation.
-3 + 9d + -5d = -7 + 5d + -5d

Combine like terms: 9d + -5d = 4d
-3 + 4d = -7 + 5d + -5d

Combine like terms: 5d + -5d = 0
-3 + 4d = -7 + 0
-3 + 4d = -7

Add '3' to each side of the equation.
-3 + 3 + 4d = -7 + 3

Combine like terms: -3 + 3 = 0
0 + 4d = -7 + 3
4d = -7 + 3

Combine like terms: -7 + 3 = -4
4d = -4

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

Simplifying
d = -1

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