3(b)+(2a-1)+b=

Solution for 3(b)+(2a-1)+b= equation:

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

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

Remove parenthesis around (-1 + 2a)
3b + -1 + 2a + b = 0

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

Combine like terms: 3b + b = 4b
-1 + 2a + 4b = 0

Solving
-1 + 2a + 4b = 0

Solving for variable 'a'.

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

Add '1' to each side of the equation.
-1 + 2a + 1 + 4b = 0 + 1

Reorder the terms:
-1 + 1 + 2a + 4b = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 2a + 4b = 0 + 1
2a + 4b = 0 + 1

Combine like terms: 0 + 1 = 1
2a + 4b = 1

Add '-4b' to each side of the equation.
2a + 4b + -4b = 1 + -4b

Combine like terms: 4b + -4b = 0
2a + 0 = 1 + -4b
2a = 1 + -4b

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

Simplifying
a = 0.5 + -2b