Let the two numbers be x and y
then x+y=9
x-y=3
2x=12
x=6
6+y=9
y=3
so the numbers are 9 and 3
Answer:
3y-x=2
x=−2+3y
y=2/3+x/3
-2y-x=18
y=9-x/2
x=18-2y
Step-by-step explanation:
Answer: The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. ... The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable.
Step-by-step explanation:
Answer:
(12)(3)(-2)
Step-by-step explanation: