2+6+9d=71

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Solution for 2+6+9d=71 equation: 


Simplifying
2 + 6 + 9d = 71

Combine like terms: 2 + 6 = 8
8 + 9d = 71

Solving
8 + 9d = 71

Solving for variable 'd'.

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

Add '-8' to each side of the equation.
8 + -8 + 9d = 71 + -8

Combine like terms: 8 + -8 = 0
0 + 9d = 71 + -8
9d = 71 + -8

Combine like terms: 71 + -8 = 63
9d = 63

Divide each side by '9'.
d = 7

Simplifying
d = 7

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