Could i have some help with matching this stuff up please?

the first one goes +3 +3+6 its

the second one goes + 2 +2 +4

the third one goes +5+7+9

the fourth one goes +6+8+14

Step-by-step explanation:

YOUR LOOKING FOR A PATTERN

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:

is this part of a question or something