-2+6+7d=7+8d

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Solution for -2+6+7d=7+8d equation:


Simplifying
-2 + 6 + 7d = 7 + 8d

Combine like terms: -2 + 6 = 4
4 + 7d = 7 + 8d

Solving
4 + 7d = 7 + 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.
4 + 7d + -8d = 7 + 8d + -8d

Combine like terms: 7d + -8d = -1d
4 + -1d = 7 + 8d + -8d

Combine like terms: 8d + -8d = 0
4 + -1d = 7 + 0
4 + -1d = 7

Add '-4' to each side of the equation.
4 + -4 + -1d = 7 + -4

Combine like terms: 4 + -4 = 0
0 + -1d = 7 + -4
-1d = 7 + -4

Combine like terms: 7 + -4 = 3
-1d = 3

Divide each side by '-1'.
d = -3

Simplifying
d = -3

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