Please help on Photo question. Mathematics.

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asked Jun 9, 2017 165k views

1 Answer

Ahelwer · Answer 1 · 2017-06-13T15:51:37+0000

3x -y = 4 ------> eqn1
2x + y = 11 ------> eqn2
add the two equations
3x -y +2x +y = 11 + 4
5x = 15
x = 3
then sub. in eqn 2
2(3) + y =11
y= 11 -6
y = 5
the answer is ( 3, 5)

Please help on Photo question. Mathematics.

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