4d+9=-8d-13

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Solution for 4d+9=-8d-13 equation:


Simplifying
4d + 9 = -8d + -13

Reorder the terms:
9 + 4d = -8d + -13

Reorder the terms:
9 + 4d = -13 + -8d

Solving
9 + 4d = -13 + -8d

Solving for variable 'd'.

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

Add '8d' to each side of the equation.
9 + 4d + 8d = -13 + -8d + 8d

Combine like terms: 4d + 8d = 12d
9 + 12d = -13 + -8d + 8d

Combine like terms: -8d + 8d = 0
9 + 12d = -13 + 0
9 + 12d = -13

Add '-9' to each side of the equation.
9 + -9 + 12d = -13 + -9

Combine like terms: 9 + -9 = 0
0 + 12d = -13 + -9
12d = -13 + -9

Combine like terms: -13 + -9 = -22
12d = -22

Divide each side by '12'.
d = -1.833333333

Simplifying
d = -1.833333333

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