-20-5d=-4d-9

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Solution for -20-5d=-4d-9 equation:


Simplifying
-20 + -5d = -4d + -9

Reorder the terms:
-20 + -5d = -9 + -4d

Solving
-20 + -5d = -9 + -4d

Solving for variable 'd'.

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

Add '4d' to each side of the equation.
-20 + -5d + 4d = -9 + -4d + 4d

Combine like terms: -5d + 4d = -1d
-20 + -1d = -9 + -4d + 4d

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

Add '20' to each side of the equation.
-20 + 20 + -1d = -9 + 20

Combine like terms: -20 + 20 = 0
0 + -1d = -9 + 20
-1d = -9 + 20

Combine like terms: -9 + 20 = 11
-1d = 11

Divide each side by '-1'.
d = -11

Simplifying
d = -11

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