Respuesta :
Distribute the denominator on the left side firt.
[tex] \frac{4}{6x+72} = 10[/tex]
Multiply by "6x+72" on both sides.
[tex]4 = 60x+720 [/tex]
Simplify.
[tex]60x = -716
[tex]x = -\frac{716}{60} [/tex]
[tex]x = -\frac{179}{15} [/tex]
[tex] \frac{4}{6x+72} = 10[/tex]
Multiply by "6x+72" on both sides.
[tex]4 = 60x+720 [/tex]
Simplify.
[tex]60x = -716
[tex]x = -\frac{716}{60} [/tex]
[tex]x = -\frac{179}{15} [/tex]