3a+(b-(a+2b))=

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


Simplifying
3a + (b + -1(a + 2b)) = 0
3a + (b + (a * -1 + 2b * -1)) = 0
3a + (b + (-1a + -2b)) = 0

Reorder the terms:
3a + (-1a + b + -2b) = 0

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

Remove parenthesis around (-1a + -1b)
3a + -1a + -1b = 0

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

Solving
2a + -1b = 0

Solving for variable 'a'.

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

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

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

Divide each side by '2'.
a = 0.5b

Simplifying
a = 0.5b

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