9d-4d+5d+7-4d=0

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Solution for 9d-4d+5d+7-4d=0 equation:


Simplifying
9d + -4d + 5d + 7 + -4d = 0

Reorder the terms:
7 + 9d + -4d + 5d + -4d = 0

Combine like terms: 9d + -4d = 5d
7 + 5d + 5d + -4d = 0

Combine like terms: 5d + 5d = 10d
7 + 10d + -4d = 0

Combine like terms: 10d + -4d = 6d
7 + 6d = 0

Solving
7 + 6d = 0

Solving for variable 'd'.

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

Add '-7' to each side of the equation.
7 + -7 + 6d = 0 + -7

Combine like terms: 7 + -7 = 0
0 + 6d = 0 + -7
6d = 0 + -7

Combine like terms: 0 + -7 = -7
6d = -7

Divide each side by '6'.
d = -1.166666667

Simplifying
d = -1.166666667

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