Question

substitutional method x+2y=5 3x+y=6

Answer 1

Hey there!
♥ ♥ ♥♥♥
♥x+2y=5 ♥
♥x=5-2y. ♥
♥♥ ♥♥ ♥
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♥♥♥♥♥♥
♥3x+y=6 ♥♥♥
♥3(5-2y)+y=6 ♥
♥ 15-6y+y=6 ♥
♥ 15-5y=6 ♥
♥ -5y=6-15 ♥
♥ -5y=-9 ♥
♥ y=9/5 ♥
♥ ♥ ♥ ♥
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♥ ♥ ♥ ♥ ♥ ♥
♥ x=5-2y ♥ ♥
♥ x=5-2(9)/5 ♥
♥ x=5-18/5 ♥
♥ x=25-18/5 ♥
♥ x=7/5 ♥ ♥
♥ ♥ ♥ ♥ ♥ ♥ ♥

(x,y) =(7/5,9/5)

hope helped!