9+3a-(4a+9)-(5a+5)=

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Solution for 9+3a-(4a+9)-(5a+5)= equation:


Simplifying
9 + 3a + -1(4a + 9) + -1(5a + 5) = 0

Reorder the terms:
9 + 3a + -1(9 + 4a) + -1(5a + 5) = 0
9 + 3a + (9 * -1 + 4a * -1) + -1(5a + 5) = 0
9 + 3a + (-9 + -4a) + -1(5a + 5) = 0

Reorder the terms:
9 + 3a + -9 + -4a + -1(5 + 5a) = 0
9 + 3a + -9 + -4a + (5 * -1 + 5a * -1) = 0
9 + 3a + -9 + -4a + (-5 + -5a) = 0

Reorder the terms:
9 + -9 + -5 + 3a + -4a + -5a = 0

Combine like terms: 9 + -9 = 0
0 + -5 + 3a + -4a + -5a = 0
-5 + 3a + -4a + -5a = 0

Combine like terms: 3a + -4a = -1a
-5 + -1a + -5a = 0

Combine like terms: -1a + -5a = -6a
-5 + -6a = 0

Solving
-5 + -6a = 0

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + -6a = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -6a = 0 + 5
-6a = 0 + 5

Combine like terms: 0 + 5 = 5
-6a = 5

Divide each side by '-6'.
a = -0.8333333333

Simplifying
a = -0.8333333333

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