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allochka39001 [22]
3 years ago
13

State the extremes of the proportion below. 4/7=12/x

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
7 0

\frac{4}{7}  =  \frac{12}{x}  \\  \\ 1. \:  \frac{4}{7}x  = 12 \\  \\ 2. \:  \frac{4x}{7}  = 12 \\  \\ 3. \: 4x = 12 \times 7 \\  \\ 4. \: 4x = 84 \\  \\ 5. \: x =  \frac{84}{4}  \\  \\ 6. \: x = 21

Stels [109]3 years ago
4 0

Answer:

x=21

Step-by-step explanation:

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