4a+2(-2+a)+(-1-a-(-2+a))=11

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Solution for 4a+2(-2+a)+(-1-a-(-2+a))=11 equation:


Simplifying
4a + 2(-2 + a) + (-1 + -1a + -1(-2 + a)) = 11
4a + (-2 * 2 + a * 2) + (-1 + -1a + -1(-2 + a)) = 11
4a + (-4 + 2a) + (-1 + -1a + -1(-2 + a)) = 11
4a + -4 + 2a + (-1 + -1a + (-2 * -1 + a * -1)) = 11
4a + -4 + 2a + (-1 + -1a + (2 + -1a)) = 11

Reorder the terms:
4a + -4 + 2a + (-1 + 2 + -1a + -1a) = 11

Combine like terms: -1 + 2 = 1
4a + -4 + 2a + (1 + -1a + -1a) = 11

Combine like terms: -1a + -1a = -2a
4a + -4 + 2a + (1 + -2a) = 11

Remove parenthesis around (1 + -2a)
4a + -4 + 2a + 1 + -2a = 11

Reorder the terms:
-4 + 1 + 4a + 2a + -2a = 11

Combine like terms: -4 + 1 = -3
-3 + 4a + 2a + -2a = 11

Combine like terms: 4a + 2a = 6a
-3 + 6a + -2a = 11

Combine like terms: 6a + -2a = 4a
-3 + 4a = 11

Solving
-3 + 4a = 11

Solving for variable 'a'.

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

Add '3' to each side of the equation.
-3 + 3 + 4a = 11 + 3

Combine like terms: -3 + 3 = 0
0 + 4a = 11 + 3
4a = 11 + 3

Combine like terms: 11 + 3 = 14
4a = 14

Divide each side by '4'.
a = 3.5

Simplifying
a = 3.5

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