8d+3(2d+7)=9

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Solution for 8d+3(2d+7)=9 equation:


Simplifying
8d + 3(2d + 7) = 9

Reorder the terms:
8d + 3(7 + 2d) = 9
8d + (7 * 3 + 2d * 3) = 9
8d + (21 + 6d) = 9

Reorder the terms:
21 + 8d + 6d = 9

Combine like terms: 8d + 6d = 14d
21 + 14d = 9

Solving
21 + 14d = 9

Solving for variable 'd'.

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

Add '-21' to each side of the equation.
21 + -21 + 14d = 9 + -21

Combine like terms: 21 + -21 = 0
0 + 14d = 9 + -21
14d = 9 + -21

Combine like terms: 9 + -21 = -12
14d = -12

Divide each side by '14'.
d = -0.8571428571

Simplifying
d = -0.8571428571

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