9 times 10 to the power of minus 9. As a normal number.

First, write the expression. Then solve.

9 x 10^-9

9 x 0.0000000010

0.000000009

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sorry if i'm wrong, I haven't done this in a while

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:

sorry man i accidentally pressed yes my bad

step-by-step explanation: