(9d+8d)+21=157

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Solution for (9d+8d)+21=157 equation:


Simplifying
(9d + 8d) + 21 = 157

Combine like terms: 9d + 8d = 17d
(17d) + 21 = 157
(17d) + 21 = 157

Reorder the terms:
21 + (17d) = 157

Solving
21 + (17d) = 157

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 + (17d) = 157 + -21

Combine like terms: 21 + -21 = 0
0 + (17d) = 157 + -21
(17d) = 157 + -21

Combine like terms: 157 + -21 = 136
(17d) = 136

Divide each side by '17'.
d = 8

Simplifying
d = 8

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