(-9d)-d-5d+14d+(-2d)-(-19)=-20

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Solution for (-9d)-d-5d+14d+(-2d)-(-19)=-20 equation:


Simplifying
(-9d) + -1d + -5d + 14d + (-2d) + -1(-19) = -20

Multiply -1 * -19
(-9d) + -1d + -5d + 14d + (-2d) + 19 = -20

Reorder the terms:
19 + (-9d) + -1d + -5d + 14d + (-2d) = -20

Combine like terms: (-9d) + -1d = -10d
19 + -10d + -5d + 14d + (-2d) = -20

Combine like terms: -10d + -5d = -15d
19 + -15d + 14d + (-2d) = -20

Combine like terms: -15d + 14d = -1d
19 + -1d + (-2d) = -20

Combine like terms: -1d + (-2d) = -3d
19 + -3d = -20

Solving
19 + -3d = -20

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 + -3d = -20 + -19

Combine like terms: 19 + -19 = 0
0 + -3d = -20 + -19
-3d = -20 + -19

Combine like terms: -20 + -19 = -39
-3d = -39

Divide each side by '-3'.
d = 13

Simplifying
d = 13

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