uhhhdexter1
uhhhdexter1
23-04-2018
Mathematics
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Аноним
Аноним
23-04-2018
[tex] \dfrac{21}{14} = \dfrac{x}{20} [/tex]
Cross-Multiply:
[tex]14x = 21 \times 20[/tex]
Simplify:
[tex]14x = 420[/tex]
Divide both sides by 14:
[tex]x = 30[/tex]
Answer: x = 30
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