jjames5291
jjames5291
12-09-2018
Mathematics
contestada
Solve the equation. Show all work 5x+9=7x+21
Respuesta :
z5tequ2u
z5tequ2u
12-09-2018
[tex]5x+9=7x+21\\ \\ 5x-7x=21-9\\ \\ -2x=12\\ \\ x=\frac{12}{-2} =-6[/tex]
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