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Paraphin [41]
3 years ago
11

Fill in the blank #19

Mathematics
1 answer:
scoundrel [369]3 years ago
7 0

Answer:

3x

Step-by-step explanation:

2y + 1 + x + ? = 2y + 1 + 4x

Subtract 2y from each side

2y -2y+ 1 + x + ? = 2y-2y + 1 + 4x

1 + x + ? = 1 + 4x

Subtract 1 from each side

1 -1+ x + ? = 1 -1+ 4x

x + ? =  4x

Subtract x from each side

x-x+? = 4x-x

? = 3x

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