(3a*3b-c)-(3b+3c+3d)=

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Solution for (3a*3b-c)-(3b+3c+3d)= equation:


Simplifying
(3a * 3b + -1c) + -1(3b + 3c + 3d) = 0

Reorder the terms for easier multiplication:
(3 * 3a * b + -1c) + -1(3b + 3c + 3d) = 0

Multiply 3 * 3
(9a * b + -1c) + -1(3b + 3c + 3d) = 0

Multiply a * b
(9ab + -1c) + -1(3b + 3c + 3d) = 0

Remove parenthesis around (9ab + -1c)
9ab + -1c + -1(3b + 3c + 3d) = 0
9ab + -1c + (3b * -1 + 3c * -1 + 3d * -1) = 0
9ab + -1c + (-3b + -3c + -3d) = 0

Reorder the terms:
9ab + -3b + -1c + -3c + -3d = 0

Combine like terms: -1c + -3c = -4c
9ab + -3b + -4c + -3d = 0

Solving
9ab + -3b + -4c + -3d = 0

Solving for variable 'a'.

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

Add '3b' to each side of the equation.
9ab + -3b + -4c + 3b + -3d = 0 + 3b

Reorder the terms:
9ab + -3b + 3b + -4c + -3d = 0 + 3b

Combine like terms: -3b + 3b = 0
9ab + 0 + -4c + -3d = 0 + 3b
9ab + -4c + -3d = 0 + 3b
Remove the zero:
9ab + -4c + -3d = 3b

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

Combine like terms: -4c + 4c = 0
9ab + 0 + -3d = 3b + 4c
9ab + -3d = 3b + 4c

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

Combine like terms: -3d + 3d = 0
9ab + 0 = 3b + 4c + 3d
9ab = 3b + 4c + 3d

Divide each side by '9b'.
a = 0.3333333333 + 0.4444444444b-1c + 0.3333333333b-1d

Simplifying
a = 0.3333333333 + 0.4444444444b-1c + 0.3333333333b-1d

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