-1-9w+4d+20+9w+3d=

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Solution for -1-9w+4d+20+9w+3d= equation:


Simplifying
-1 + -9w + 4d + 20 + 9w + 3d = 0

Reorder the terms:
-1 + 20 + 4d + 3d + -9w + 9w = 0

Combine like terms: -1 + 20 = 19
19 + 4d + 3d + -9w + 9w = 0

Combine like terms: 4d + 3d = 7d
19 + 7d + -9w + 9w = 0

Combine like terms: -9w + 9w = 0
19 + 7d + 0 = 0
19 + 7d = 0

Solving
19 + 7d = 0

Solving for variable 'd'.

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

Add '-19' to each side of the equation.
19 + -19 + 7d = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 7d = 0 + -19
7d = 0 + -19

Combine like terms: 0 + -19 = -19
7d = -19

Divide each side by '7'.
d = -2.714285714

Simplifying
d = -2.714285714

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