The sum of two numbers is 20.The difference is 4 what are the numbers?

Mathematics

1 answer:

Alex17521 [72]3 years ago

4 0

The sum of two numbers is 20 and their difference is 4. Which is the greater of the two numbers? The answer is 12.

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$\frac { \left( 6-7i \right) }{ \left( 1-2i \right) } \cdot 1\\ \\ =\frac { \left( 6-7i \right) }{ \left( 1-2i \right) } \cdot \frac { \left( 1+2i \right) }{ \left( 1+2i \right) } \\ \\ =\frac { 6+12i-7i-14{ i }^{ 2 } }{ 1+2i-2i-4{ i }^{ 2 } }$

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