Respuesta:
[tex]x=320[/tex]
Explicación paso a paso:
[tex]500-x=340-0.5x\\\\500\cdot \:10-x\cdot \:10=340\cdot \:10-0.5x\cdot \:10\\\\5000-10x=3400-5x\\\\5000-10x-5000=3400-5x-5000\\\\-10x=-5x-1600-10x+5x=-5x-1600+5x\\\\-5x=-1600\\\\\frac{-5x}{-5}=\frac{-1600}{-5}\\\\x=320[/tex]
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Respuesta:
[tex]x=320[/tex]
Explicación paso a paso:
[tex]500-x=340-0.5x\\\\500\cdot \:10-x\cdot \:10=340\cdot \:10-0.5x\cdot \:10\\\\5000-10x=3400-5x\\\\5000-10x-5000=3400-5x-5000\\\\-10x=-5x-1600-10x+5x=-5x-1600+5x\\\\-5x=-1600\\\\\frac{-5x}{-5}=\frac{-1600}{-5}\\\\x=320[/tex]