Respuesta :
Answer:
x = 21
Step-by-step explanation:
subtract 8 from both sides
you get x/3 = 7
multiply both sides by 3 you get x=21
Answer:
x = 21
Step-by-step explanation:
[tex]8+\dfrac{x}{3}=15\qquad\text{multiply both sides by 3}\\\\(3)(8)+3\!\!\!\!\diagup^1\cdot\dfrac{x}{3\!\!\!\!\diagup_1}=(3)(15)\\\\24+x=45\qquad\text{subtract 24 from both sides}\\\\24-24+x=45-24\\\\x=21[/tex]