Question

What is x if 4=23x+9−13x?

Answer 1

4=23x+9-13x

4=23x-13x+9

4=10x+9

10x=9-4

10x=5

x=5/10

x=1/2

Answer 2

Answer:

$4 = 23x + 9 - 13x \\ \\ = 4 - 9 = 10x \\ \\ = - 5 = 10x \\ \\ x = \frac{ - 5}{10} \\ \\ x = \frac{ - 1}{2}$