Question

If x + y = 6 and x - y = 2, what is xy?​

Answer 1

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Answer 2

★$</p><p>\huge {\underline {\underline {\mathbb {\blue {ANSWER}}}}}$★

$x + y = 6....(1)$

$x - y = 2....(2)$

★ Solving by the elimination method,

★ Adding eqn (1) & (2)

$= x + y = 6$

$= x - y = 2$.... ( y cancles )

$= 2x = 8$

$= x = 4$

★Now,

★For Y

★ Substituting x in eqn... (1)

$= x + y = 6$

$= y = 6 - x$

$= y = 6 - 4$

$= y = 2$

★ Your answer is :- x = 4 & y = 2 ★