Solution for 2a-b=5 equation:
Simplifying
2a + -1b = 5
Solving
2a + -1b = 5
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 = 5 + b
Combine like terms: -1b + b = 0
2a + 0 = 5 + b
2a = 5 + b
Divide each side by '2'. and you get 0.5
