7p = 644. Solve the variable

92

Step-by-step explanation:

you must first divided both sides of the equation by 7 then it will come to the answer p=92

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:

figure c

step-by-step explanation:

hope this .