Can someone help me with this problem?
a + (b + 12) = (b + 12) + a

Given that y is 12 less than the product of a and b.

The product of a and b is the multiplication of a and b:

a x b = ab

12 less than the product will mean that we need to take away 12 from ab, so

y = ab - 12

ab - 12

Pls give brainliest!!! :D

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

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: