Question

Frame linear equations : The sum of two numbers is 15 & their difference is7
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Answer 1

Step-by-step explanation:

x+y = 15

- x - y = 7

2y = 8

2y/2 = 8/2

y = 4

x + 4 = 15

x + 4 - 4 = 15 - 4

x = 11

check

11 + 4 = 15

11 - 4 = 7

7 = 7

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