Well all you have to do is find the common denominator then use it to subtract
They are a part of 2 dozen
4x + 9 = 2x - 1
4x - 2x = -1 - 9
2x = -10
x = -10/2
x = -5 <===
It would be the seconf answer
Answer: D
I’d say neither are correct because a prism looks like this...
Katie would be correct if she had lines within the L shaped area