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zaharov [31]
3 years ago
6

Question 9 (10 points) Solve for x, 2(x - 1) + 4 = 4(x + 1)

Mathematics
1 answer:
Nutka1998 [239]3 years ago
6 0
1. Expand
2x − 2 + 4 = 4x + 4

2. Simply
2x + 2 = 4x + 4

3. Subtract
2 = 4x + 4 - 2x

4. Simplify
2 = 2x + 4

5.Subtract
2 - 4 = 2x

6. Simplify
-2 = 2x

7. Divide both sides by
-1 = x

8.Switch sides.
x = -1
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Answer:

Total seashells = (6g + 10) seashells.

Step-by-step explanation:

Given that Mario collected 3g seashells.

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