4(2+b)+(-2b)+-1-a-b=5

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Solution for 4(2+b)+(-2b)+-1-a-b=5 equation: 


Simplifying
4(2 + b) + (-2b) + -1 + -1a + -1b = 5
(2 * 4 + b * 4) + (-2b) + -1 + -1a + -1b = 5
(8 + 4b) + (-2b) + -1 + -1a + -1b = 5

Reorder the terms:
8 + -1 + -1a + 4b + (-2b) + -1b = 5

Combine like terms: 8 + -1 = 7
7 + -1a + 4b + (-2b) + -1b = 5

Combine like terms: 4b + (-2b) = 2b
7 + -1a + 2b + -1b = 5

Combine like terms: 2b + -1b = 1b
7 + -1a + 1b = 5

Solving
7 + -1a + 1b = 5

Solving for variable 'a'.

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

Add '-7' to each side of the equation.
7 + -1a + -7 + 1b = 5 + -7

Reorder the terms:
7 + -7 + -1a + 1b = 5 + -7

Combine like terms: 7 + -7 = 0
0 + -1a + 1b = 5 + -7
-1a + 1b = 5 + -7

Combine like terms: 5 + -7 = -2
-1a + 1b = -2

Add '-1b' to each side of the equation.
-1a + 1b + -1b = -2 + -1b

Combine like terms: 1b + -1b = 0
-1a + 0 = -2 + -1b
-1a = -2 + -1b

Divide each side by '-1'.
a = 2 + b

Simplifying
a = 2 + b

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