Question

What is 2.50x + 4x = 39

Answer 1

For the equation 2.50x + 4x = 39

x=6

First, 2.50 + 4x are adding like terms, which mean they can be added together.

2.50x + 4x= 6.40x

39/6.40= 6

x=6

Answer 2

2.5x + 4x = 39
6.5x = 39
x = 39 / 6.5
x = 6