3a-(a-b)=

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


Simplifying
3a + -1(a + -1b) = 0
3a + (a * -1 + -1b * -1) = 0
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 '-1b' to each side of the equation.
2a + 1b + -1b = 0 + -1b

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

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

Simplifying
a = -0.5b

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