4d+9=3d-16

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Solution for 4d+9=3d-16 equation:


Simplifying
4d + 9 = 3d + -16

Reorder the terms:
9 + 4d = 3d + -16

Reorder the terms:
9 + 4d = -16 + 3d

Solving
9 + 4d = -16 + 3d

Solving for variable 'd'.

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

Add '-3d' to each side of the equation.
9 + 4d + -3d = -16 + 3d + -3d

Combine like terms: 4d + -3d = 1d
9 + 1d = -16 + 3d + -3d

Combine like terms: 3d + -3d = 0
9 + 1d = -16 + 0
9 + 1d = -16

Add '-9' to each side of the equation.
9 + -9 + 1d = -16 + -9

Combine like terms: 9 + -9 = 0
0 + 1d = -16 + -9
1d = -16 + -9

Combine like terms: -16 + -9 = -25
1d = -25

Divide each side by '1'.
d = -25

Simplifying
d = -25

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