It's called the "dividend". A dividend is a number to be divided by another number. The 3 is the divisor, a number by which another number is to be divided.
Answer:
= -13 / 20
Step-by-step explanation:
Supplementary angles
x+20+5x+10=180
6x+30=180
6x=150
x=25
1/2 gallon of milk makes 10 glasses.

x

=
The answer would be w= 7z/2 Isolate the variable but dividing each side by factors that don’t contain the variable