Respuesta :
Answer:
x = [tex]\frac{8}{5}[/tex]
Step-by-step explanation:
Given
[tex]\frac{13x+12x}{4}[/tex] = 10 ( multiply both sides by 4 to clear the fraction )
25x = 40 ( divide both sides by 25 )
x = [tex]\frac{40}{25}[/tex] = [tex]\frac{8}{5}[/tex]