2b+b=7b-2

Solution for 2b+b=7b-2 equation:

Simplifying
2b + b = 7b + -2

Combine like terms: 2b + b = 3b
3b = 7b + -2

Reorder the terms:
3b = -2 + 7b

Solving
3b = -2 + 7b

Solving for variable 'b'.

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

Add '-7b' to each side of the equation.
3b + -7b = -2 + 7b + -7b

Combine like terms: 3b + -7b = -4b
-4b = -2 + 7b + -7b

Combine like terms: 7b + -7b = 0
-4b = -2 + 0
-4b = -2

Divide each side by '-4'.
b = 0.5

Simplifying
b = 0.5