Question

Find the value of x.

a) 10

b) 5

c) 6

d) 3

Answer 1

B)

X=5

Explanation:

7x-4=31

+4 on both sides

7x=35

divide by 7 on both sides

x= 5

Answer 2

x=5.

Explanation:

set 7x-4=31 and solve.