xaviersoltero13
xaviersoltero13 xaviersoltero13
  • 05-01-2017
  • Mathematics
contestada

[tex] \frac{8}{x+10} = \frac{4}{2x-7} [/tex]
whats x?

Respuesta :

xxamari
xxamari xxamari
  • 05-01-2017
Cross-multiply. 
8(2x-7) = 4(x+10)
Distributive property.
16x-56 = 4x+40
Simplify using like terms.
12x-56 = 40
12x = 96
x = 8
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