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GrogVix [38]
3 years ago
15

What is 2x=y-10 x+7=y

Mathematics
1 answer:
Triss [41]3 years ago
8 0

Answer:

x = -3

y = 4

Step-by-step explanation:

first i plug y=x+7 for y on 2x=y-10

this makes it 2x=x+7-10

then i solve 7-10 to get 2x=x-3

i subtract -x from both sides to get x=-3

so i plug in x=-3 to x+7=y to get -3+7=y which makes y=4

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