Question

cross multiplication method
x+y=10 (1)
x-y=2(2)​

Answer 1

Answer:

$x + y = 10 \\ x - y = 2 \\ ^{ + } = ^{ - } =^{ + } \\2x = 12 \\ \\ x = 6 \\ \\ \\ x - y = 2 \\ 6 - y = 2 \\ \\ \\ y = 4$

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