Answer:
x = - 15
Step-by-step explanation:
The equation is [tex]\frac{5}{x}=\frac{4}{x+3}[/tex]
We now cross mulitply and do algebra to figure the value of x (shown below):
[tex]\frac{5}{x}=\frac{4}{x+3}\\5(x+3)=4(x)\\5x+15=4x\\5x-4x=-15\\x=-15[/tex]
Hence x = -15