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

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


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

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

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

Solving
-1 + -10a = 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.
-1 + -10a + -3a = 11 + 3a + -3a

Combine like terms: -10a + -3a = -13a
-1 + -13a = 11 + 3a + -3a

Combine like terms: 3a + -3a = 0
-1 + -13a = 11 + 0
-1 + -13a = 11

Add '1' to each side of the equation.
-1 + 1 + -13a = 11 + 1

Combine like terms: -1 + 1 = 0
0 + -13a = 11 + 1
-13a = 11 + 1

Combine like terms: 11 + 1 = 12
-13a = 12

Divide each side by '-13'.
a = -0.9230769231

Simplifying
a = -0.9230769231

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