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Sladkaya [172]
3 years ago
15

Please help!!!!! Please

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

the answer is tbbhrbt t done.

Step-by-step explanation:

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Solve the simultaneous equation<br><br>2x-y=8<br>x+y=7<br><br>SHOW ALL WORKING OUT PLEASE. THANKS
Andre45 [30]
2x-y=8...(1)
x+y=7....(2)

from (2)
y=7-x....(3)

put (3) into (1)
2x-(7-x)=8
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2x+x=8+7
3x=15
x=5.....(4)

put (4) into (2)
x+y=7
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y=7-5
y=2

Hope it helps c:
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