(9a-6b-5c)-(5a+5b-2c)=

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Solution for (9a-6b-5c)-(5a+5b-2c)= equation:


Simplifying
(9a + -6b + -5c) + -1(5a + 5b + -2c) = 0

Remove parenthesis around (9a + -6b + -5c)
9a + -6b + -5c + -1(5a + 5b + -2c) = 0
9a + -6b + -5c + (5a * -1 + 5b * -1 + -2c * -1) = 0
9a + -6b + -5c + (-5a + -5b + 2c) = 0

Reorder the terms:
9a + -5a + -6b + -5b + -5c + 2c = 0

Combine like terms: 9a + -5a = 4a
4a + -6b + -5b + -5c + 2c = 0

Combine like terms: -6b + -5b = -11b
4a + -11b + -5c + 2c = 0

Combine like terms: -5c + 2c = -3c
4a + -11b + -3c = 0

Solving
4a + -11b + -3c = 0

Solving for variable 'a'.

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

Add '11b' to each side of the equation.
4a + -11b + 11b + -3c = 0 + 11b

Combine like terms: -11b + 11b = 0
4a + 0 + -3c = 0 + 11b
4a + -3c = 0 + 11b
Remove the zero:
4a + -3c = 11b

Add '3c' to each side of the equation.
4a + -3c + 3c = 11b + 3c

Combine like terms: -3c + 3c = 0
4a + 0 = 11b + 3c
4a = 11b + 3c

Divide each side by '4'.
a = 2.75b + 0.75c

Simplifying
a = 2.75b + 0.75c

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