Respuesta :
[tex]10x-5=20\ \ \ \ |\text{add 5 to both sides}\\\\10x=25\ \ \ \ \ |\text{divide both sides by 10}\\\\\boxed{x=2.5}[/tex]
These are step-by-step instructions to this question:
(10x-5)=20 Write the equation
10x=25 Use Addition Property of Equality
x= 2.5 Use Division of Equality
Answer: 2.5