Question

Which of these is a simplified form of the equation 7x + 4 = 5 + 3x + 1x?

1. 3x = 9
2. 3x = 1
3. 11x = 9
4. 11x = 1

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

7x+4=5+3x+1x
7x+4=5+4x
7x=5-4+4x
7x-4x=5-4
3x=1
So the answer is 2