-5d-9-7+d+20=

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Solution for -5d-9-7+d+20= equation:


Simplifying
-5d + -9 + -7 + d + 20 = 0

Reorder the terms:
-9 + -7 + 20 + -5d + d = 0

Combine like terms: -9 + -7 = -16
-16 + 20 + -5d + d = 0

Combine like terms: -16 + 20 = 4
4 + -5d + d = 0

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

Solving
4 + -4d = 0

Solving for variable 'd'.

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

Add '-4' to each side of the equation.
4 + -4 + -4d = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -4d = 0 + -4
-4d = 0 + -4

Combine like terms: 0 + -4 = -4
-4d = -4

Divide each side by '-4'.
d = 1

Simplifying
d = 1

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