5d+7=4d-9

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Solution for 5d+7=4d-9 equation:


Simplifying
5d + 7 = 4d + -9

Reorder the terms:
7 + 5d = 4d + -9

Reorder the terms:
7 + 5d = -9 + 4d

Solving
7 + 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.
7 + 5d + -4d = -9 + 4d + -4d

Combine like terms: 5d + -4d = 1d
7 + 1d = -9 + 4d + -4d

Combine like terms: 4d + -4d = 0
7 + 1d = -9 + 0
7 + 1d = -9

Add '-7' to each side of the equation.
7 + -7 + 1d = -9 + -7

Combine like terms: 7 + -7 = 0
0 + 1d = -9 + -7
1d = -9 + -7

Combine like terms: -9 + -7 = -16
1d = -16

Divide each side by '1'.
d = -16

Simplifying
d = -16

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