Question

a) Solve 7 + 4x = 9x – 13
b) A number is multiplied by 9 and then 11 is added to the product, the result is 56. Find the
number​

Answer 1

Step-by-step explanation:

b)5 is the answer of partb)

Answer 2

Answer:

a.

7+4x,=9x-13

4x-9x= -13-7

5x= -20

x= -4

b.

let the no. be x

9x + 11 ,= 56

9x=56-11

9x=45

x=5