2(a+b)-(-x-b)=

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Solution for 2(a+b)-(-x-b)= equation:


Simplifying
2(a + b) + -1(-1x + -1b) = 0
(a * 2 + b * 2) + -1(-1x + -1b) = 0
(2a + 2b) + -1(-1x + -1b) = 0

Reorder the terms:
2a + 2b + -1(-1b + -1x) = 0
2a + 2b + (-1b * -1 + -1x * -1) = 0
2a + 2b + (1b + 1x) = 0

Combine like terms: 2b + 1b = 3b
2a + 3b + 1x = 0

Solving
2a + 3b + 1x = 0

Solving for variable 'a'.

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

Add '-3b' to each side of the equation.
2a + 3b + -3b + 1x = 0 + -3b

Combine like terms: 3b + -3b = 0
2a + 0 + 1x = 0 + -3b
2a + 1x = 0 + -3b
Remove the zero:
2a + 1x = -3b

Add '-1x' to each side of the equation.
2a + 1x + -1x = -3b + -1x

Combine like terms: 1x + -1x = 0
2a + 0 = -3b + -1x
2a = -3b + -1x

Divide each side by '2'.
a = -1.5b + -0.5x

Simplifying
a = -1.5b + -0.5x

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