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13-09-2021
Mathematics

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What will the first step look like for the substitution problem:
Y = 2x
X+Y = 9

A. 2y+y=9
B. y=2x+9
C. y+2x+x+y=9
D. x+2x=9

Respuesta :

Аноним Аноним

13-09-2021

Answer:

D is the answers for the question

Step-by-step explanation:

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jianghuilee0226 jianghuilee0226

13-09-2021

Answer:

D.x+2x=9

Step-by-step explanation:

X+ (y=2x）=9

x+2x=9

Answer Link

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