-15=-8+9(d+3)

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Solution for -15=-8+9(d+3) equation:


Simplifying
-15 = -8 + 9(d + 3)

Reorder the terms:
-15 = -8 + 9(3 + d)
-15 = -8 + (3 * 9 + d * 9)
-15 = -8 + (27 + 9d)

Combine like terms: -8 + 27 = 19
-15 = 19 + 9d

Solving
-15 = 19 + 9d

Solving for variable 'd'.

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

Add '-9d' to each side of the equation.
-15 + -9d = 19 + 9d + -9d

Combine like terms: 9d + -9d = 0
-15 + -9d = 19 + 0
-15 + -9d = 19

Add '15' to each side of the equation.
-15 + 15 + -9d = 19 + 15

Combine like terms: -15 + 15 = 0
0 + -9d = 19 + 15
-9d = 19 + 15

Combine like terms: 19 + 15 = 34
-9d = 34

Divide each side by '-9'.
d = -3.777777778

Simplifying
d = -3.777777778

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