3a-(a+2b)=

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


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

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

Solving
2a + -2b = 0

Solving for variable 'a'.

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

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

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

Divide each side by '2'.
a = b

Simplifying
a = b

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