Question

Solve x + y is equal to 14 and x minus y is equals to 4 by elimination method

Answer 1

Answer:

$x + y = 14 \: \: - - > (1) \\ x - y = 4 \: \: - - > (2) \\ from \: eq \: 2 \: we \: get - \\ x = 4 + y \\ now \: putting \: value \: of \: x \: in \: eq \: 1 \\ (4 + y) + y = 14 \\ 4 + y + y = 14 \\ 2y = 10 \\ y = 5 \\ putting \: the \: value \: of \: y \: in \: eq \: 1 \\ x + 5 = 14 \\ x = 14 - 5 \\ x = 9$

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