what is y+19=9 plz help me i don't understand this im in 7th grade >.>
y+19=9
It means that an unknown number added to 19 is equal to 9.
y + 19 = 9
First we need to subtract 19 from both sides of the equation.
y + 19 - 19 = 9 - 19
y = -10
The proof: 19 - 10 = 9
y+19=9
Kayla -- what don't you understand about my explanation?
y+19=9
That means some number added to 19 equals 9.
So we subtract 19 from 9 which gives us -10.