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3 years ago

12

3x + 8 + 4x - 9 O12x + 17 O7x-1 O7x+ 17

2 answers:

Hoochie [10]3 years ago

8 0

Answer:

7x-1

Step-by-step explanation:

you have to combine like terms

Vlada [557]3 years ago

8 0

Answer:

7x - 1

Step-by-step explanation:

3x + 8 + 4x - 9 = ?

3x + 4x = 7x

8 - 9 = -1

3x + 8 + 4x - 9 = 7x - 1

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