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Artemon [7]
2 years ago
15

Add the equations.3x-y=-5 7x+y=15

Mathematics
1 answer:
Alisiya [41]2 years ago
7 0

Step-by-step explanation:

it is like a regular addition of numbers. you add the different positions.

3x + 7x = 10x

-y + y = 0

-5 + 15 = 10

so, D. is the right answer : 10x = 10

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