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Can you please help me solving these ASAP homework due tomorrow and I have no clue what to do
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Can you please help me solving these ASAP homework due tomorrow and I have no clue what to do

Can you please help me solving these ASAP homework due tomorrow and I have no clue-example-1
User Mikcutu
by
7.9k points

1 Answer

2 votes
for #7 multiply the 2nd equation by -1 and you will have

x + 4y = -3

- x - 7y = 12
add those two together to get y= -3 and plug that into any equation, so take

x + 4( - 3) = - 3

x - 12 = - 3

x = 9

x = 9 \\ y = - 3
User Jiang Bian
by
7.6k points
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