Question

find two consecutive natural number whose sum is 9​

Answer 1

Answer:

$x +( x + 1) = 9 \\ 2x + 1 = 9 \\ 2x = 9 - 1 \\ 2x = 8 \\ x = \frac{8}{2} \\ x = 4 \\ \\ \\ x = 4. \\ x + 1 = 5.$

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