66-8-(2d+7)-5d=

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Solution for 66-8-(2d+7)-5d= equation:


Simplifying
66 + -8 + -1(2d + 7) + -5d = 0

Reorder the terms:
66 + -8 + -1(7 + 2d) + -5d = 0
66 + -8 + (7 * -1 + 2d * -1) + -5d = 0
66 + -8 + (-7 + -2d) + -5d = 0

Combine like terms: 66 + -8 = 58
58 + -7 + -2d + -5d = 0

Combine like terms: 58 + -7 = 51
51 + -2d + -5d = 0

Combine like terms: -2d + -5d = -7d
51 + -7d = 0

Solving
51 + -7d = 0

Solving for variable 'd'.

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

Add '-51' to each side of the equation.
51 + -51 + -7d = 0 + -51

Combine like terms: 51 + -51 = 0
0 + -7d = 0 + -51
-7d = 0 + -51

Combine like terms: 0 + -51 = -51
-7d = -51

Divide each side by '-7'.
d = 7.285714286

Simplifying
d = 7.285714286

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