Help plz

The answer is C.

Step-by-step explanation:

2x+1+x+4

3x+5

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

the equivalent expression are always the hardest ones but you look at the gcf also

step-by-step explanation: