Math help!

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1.(g + 4) - 3g = 1 + g

1
4
No solution
Identity

2. 5y + 2 = 1/2(10y + 4)

5
10
No solution
Identity

3. 0.5b + 4 = 2(b + 2)

0
0.5
No solution
Identity

4. -3x + 5 = -3x + 10

5/6
-5/6
No solution
Identity

My answers:
1. 1
2. Identity
3. 0 ??? Not sure
4. No solution


I really need help on these I don't understand!

  • Math help! -

    3. .5 b=2b
    1.5b=0
    b=0

    all the others are correct.

  • Math help! -

    I know this is kinda late but thank you!!! That is correct I got my paper back today thanks!

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