21d-13+8d+19=180

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Solution for 21d-13+8d+19=180 equation:


Simplifying
21d + -13 + 8d + 19 = 180

Reorder the terms:
-13 + 19 + 21d + 8d = 180

Combine like terms: -13 + 19 = 6
6 + 21d + 8d = 180

Combine like terms: 21d + 8d = 29d
6 + 29d = 180

Solving
6 + 29d = 180

Solving for variable 'd'.

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

Add '-6' to each side of the equation.
6 + -6 + 29d = 180 + -6

Combine like terms: 6 + -6 = 0
0 + 29d = 180 + -6
29d = 180 + -6

Combine like terms: 180 + -6 = 174
29d = 174

Divide each side by '29'.
d = 6

Simplifying
d = 6

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