Answer:
a = -0.8b
Step-by-step explanation:
Solving for variable 'a'.
Move all terms containing a to the left, all other terms to the right.
Add '-4b' to each side of the equation.
5a + 4b + -4b = 0 + -4b
Combine like terms: 4b + -4b = 0
5a + 0 = 0 + -4b
5a = 0 + -4b
Remove the zero:
5a = -4b
Divide each side by '5'.
a = -0.8b
Simplifying
a = -0.8b
