Respuesta :

alejo185
Move all the x terms to one side and solve for x. 15x-10x=21-6 : 5x/5=15/5 : x=3

Answer:

[tex]x=3[/tex]

Step-by-step explanation:

[tex]15x + 6 = 10x + 21\\15x+6-6=10x+21-6\\15x=10x+15\\15x-10x=10x+15-10x\\5x=15\\\cfrac{5x}{5}=\cfrac{15}{5}\\x=3[/tex]