Let blank =x
4+x=3+4
4+x=7
-4 -4
x= 7-4
x=3
blank is 3
You have to make proportions
65mi/1h=125mi/xhours
you end up with 65x=125
125/65=1.92hours--> round it to 2 hours
it takes 2 hours
Answer:
-5
Step-by-step explanation:
2x+3=-7
2x=-7-3
2x=-10
x=-10/2
x=-5
Answer:
Step-by-step explanation:
Answer:
he first is a numerical sentence and the second is an equation
Step-by-step explanation:
equation because there's "="
