Is (1,2) a solution to this system of equations? 18x+10y=19 x+15y=18

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02-03-2017
Mathematics

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Is (1,2) a solution to this system of equations? 18x+10y=19 x+15y=18

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14mahayonf 14mahayonf · Answer 1 · 2017-03-02T02:32:46+01:00

14mahayonf 14mahayonf

02-03-2017

No that wouldn't be the solution because:

18x=10y=19
18*1+10*2=
18+20=38
Which isn't 19 so it cant be the answer.

And:
x+15y=18
1+15*2=
1+30=31
Which is also wrong because it doesn't = 18

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