11-3(a+2)=9+a

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Solution for 11-3(a+2)=9+a equation:


Simplifying
11 + -3(a + 2) = 9 + a

Reorder the terms:
11 + -3(2 + a) = 9 + a
11 + (2 * -3 + a * -3) = 9 + a
11 + (-6 + -3a) = 9 + a

Combine like terms: 11 + -6 = 5
5 + -3a = 9 + a

Solving
5 + -3a = 9 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
5 + -3a + -1a = 9 + a + -1a

Combine like terms: -3a + -1a = -4a
5 + -4a = 9 + a + -1a

Combine like terms: a + -1a = 0
5 + -4a = 9 + 0
5 + -4a = 9

Add '-5' to each side of the equation.
5 + -5 + -4a = 9 + -5

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

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

Divide each side by '-4'.
a = -1

Simplifying
a = -1

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