Thats no right the answer chocies are
a.700
b.1,200
c.75
d.100

-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

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: