Question

For which equation is 7 a solution?

A) 3x + 1 = 27
B) 3(x + 1) = 24
C) 2x + 3(x - 4) = 21
D) x2 - 8 = 42

Answer 1

As far as I know im pretty sure its D

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Step-by-step explanation:

Answer 2

Answer:

The correct answer is

B

Step-by-step explanation:

1. 3(x+1)=25

2. 3x+3=25

3. 3x=21

4. X=7

I hope this helps you!!!