Answer:✖️=3
✖️=4
Step-by-step explanation:
-(2✖️+1)=7 (2✖️+1)=7
-2✖️-1=7. 2✖️=6
-2✖️=8 ✖️=3
-✖️=4
✖️=4
Explanatory variable, or the independent variable. The two are interchangeable, but explanatory is more likely to be used in statistics, and independent variable is used practically everywhere else.
