Answer :

dalendrk
15x - 8 = 14x + 13    |add 8 to both sides

15x = 14x + 21      |subtract 14x from both sides

x = 21
 [tex]15x - 8 =14x + 13[/tex] 

[tex]15x=14x+13+8[/tex] 

[tex]15x=14x+21[/tex]

[tex]15x-14x=21 [/tex] 

[tex]x=21[/tex]

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