(a+6+a)-4=11

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Solution for (a+6+a)-4=11 equation: 


Simplifying
(a + 6 + a) + -4 = 11

Reorder the terms:
(6 + a + a) + -4 = 11

Combine like terms: a + a = 2a
(6 + 2a) + -4 = 11

Remove parenthesis around (6 + 2a)
6 + 2a + -4 = 11

Reorder the terms:
6 + -4 + 2a = 11

Combine like terms: 6 + -4 = 2
2 + 2a = 11

Solving
2 + 2a = 11

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 2a = 11 + -2

Combine like terms: 2 + -2 = 0
0 + 2a = 11 + -2
2a = 11 + -2

Combine like terms: 11 + -2 = 9
2a = 9

Divide each side by '2'.
a = 4.5

Simplifying
a = 4.5

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