Question

3. Solve each of the following equations:
(a) 3 (x + 1) = 9 (x-4)​

Answer 1

3x+3=9x-36
39=6x
39/6=x

Answer 2

Answer:

x = 6.5

Step-by-step explanation:

3(x+1) = 9(x-4)

=> 3x+3 = 9x-36

=> 9x-36 = 3x+3

=> 9x-3x = 3+36

=> 6x = 39

=> x = 39/6

=> x = 6.5