9d+11-15d-1=-42

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Solution for 9d+11-15d-1=-42 equation:


Simplifying
9d + 11 + -15d + -1 = -42

Reorder the terms:
11 + -1 + 9d + -15d = -42

Combine like terms: 11 + -1 = 10
10 + 9d + -15d = -42

Combine like terms: 9d + -15d = -6d
10 + -6d = -42

Solving
10 + -6d = -42

Solving for variable 'd'.

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

Add '-10' to each side of the equation.
10 + -10 + -6d = -42 + -10

Combine like terms: 10 + -10 = 0
0 + -6d = -42 + -10
-6d = -42 + -10

Combine like terms: -42 + -10 = -52
-6d = -52

Divide each side by '-6'.
d = 8.666666667

Simplifying
d = 8.666666667

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