Question

Write a formula for f(a) in terms of a -3a + 6b = a + 4b

Answer 1

Step-by-step explanation: Answer: 2a

Trust ;)

Answer 2

`\huge\boxed{\sf f(a) = 2a}`

Explanation:

-3a + 6b = a + 4b

Isolate b

6b - 4b = a + 3a

2b = 4a

b = 4a / 2

b = 2a

Replace b by f(a)

f(a) = 2a

`\rule[225]{225}{2}`

Hope this helped!

~AH1807