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Juli2301 [7.4K]
3 years ago
14

Can somebody help me please

Mathematics
1 answer:
serious [3.7K]3 years ago
8 0

Answer:

-7 and 21

Step-by-step explanation:

y-2y=7 (sub x=7 to the equation)

-y=7

y=-7 (not sure of its correct)

if y=-7,

x-2(-7)=7 (sub y=-7 into equation)

x-14=7

X=7+14

X=21

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Answer:

1)

<u><em>k - 5  = m</em></u>

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2)

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__________________________________________________

<u><em>1) </em></u>Key:

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<u><em>2)</em></u>

L + M = 19

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