-(9a+1)-9=11+3a

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Solution for -(9a+1)-9=11+3a equation:


Simplifying
-1(9a + 1) + -9 = 11 + 3a

Reorder the terms:
-1(1 + 9a) + -9 = 11 + 3a
(1 * -1 + 9a * -1) + -9 = 11 + 3a
(-1 + -9a) + -9 = 11 + 3a

Reorder the terms:
-1 + -9 + -9a = 11 + 3a

Combine like terms: -1 + -9 = -10
-10 + -9a = 11 + 3a

Solving
-10 + -9a = 11 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-10 + -9a + -3a = 11 + 3a + -3a

Combine like terms: -9a + -3a = -12a
-10 + -12a = 11 + 3a + -3a

Combine like terms: 3a + -3a = 0
-10 + -12a = 11 + 0
-10 + -12a = 11

Add '10' to each side of the equation.
-10 + 10 + -12a = 11 + 10

Combine like terms: -10 + 10 = 0
0 + -12a = 11 + 10
-12a = 11 + 10

Combine like terms: 11 + 10 = 21
-12a = 21

Divide each side by '-12'.
a = -1.75

Simplifying
a = -1.75

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