Question

the sum of two numbers is 11 and their difference is 3

Answer 1

Answer:

          x = 7

Step-by-step explanation:

x + y = 11 ---------{i}

x - y = 3 ---------{ii}

add {i} and {ii}

x + y + x - y = 11 + 3

2x = 14

x = 14 / 2

x = 7

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