kikithecool8m kikithecool8m
  • 23-04-2018
  • Mathematics
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What is the value for x in the proportion x+8/5x-2=3/8

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Аноним Аноним
  • 23-04-2018
[tex] \dfrac{x+8}{5x-2} = \dfrac{3}{8} [/tex]

Cross-multiply:
[tex]8(x + 8) = 3(5x - 2)[/tex]

Distribute 8 and 3:
[tex]8x + 64= 15x - 6[/tex]

Isolate x to the left:
[tex]15x - 8x = 64 + 6[/tex]

Combine like terms:
[tex]7x = 70[/tex]

Divide by 7:
[tex]x = 10[/tex]
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