(-4z+9d)-(-12z+6d)=

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Solution for (-4z+9d)-(-12z+6d)= equation:


Simplifying
(-4z + 9d) + -1(-12z + 6d) = 0

Reorder the terms:
(9d + -4z) + -1(-12z + 6d) = 0

Remove parenthesis around (9d + -4z)
9d + -4z + -1(-12z + 6d) = 0

Reorder the terms:
9d + -4z + -1(6d + -12z) = 0
9d + -4z + (6d * -1 + -12z * -1) = 0
9d + -4z + (-6d + 12z) = 0

Reorder the terms:
9d + -6d + -4z + 12z = 0

Combine like terms: 9d + -6d = 3d
3d + -4z + 12z = 0

Combine like terms: -4z + 12z = 8z
3d + 8z = 0

Solving
3d + 8z = 0

Solving for variable 'd'.

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

Add '-8z' to each side of the equation.
3d + 8z + -8z = 0 + -8z

Combine like terms: 8z + -8z = 0
3d + 0 = 0 + -8z
3d = 0 + -8z
Remove the zero:
3d = -8z

Divide each side by '3'.
d = -2.666666667z

Simplifying
d = -2.666666667z

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