-5h-3(10+h) = -6
-5h-30-3h = -6
Add/subtract like terms
-8h -30 = -6
Add 30 to both sides
-8h = 24
Divide by -8 to isolate h
h = -3
Answer:
fourth number is 9
Step-by-step explanation:
let 'x' equal the fourth number
(5+7+7+x)/4 = 7
cross-multiply to get:
19 + x = 28
x = 9
Answer:
so if she hike 12 km every 4 hours, how many km could she hike in 6 hours.
first u have to find the equation. 12 km=4hours
? =6hours
and then you have to multiply 12 km by 6 hours and divide the results by 4 which is 12×6÷4. the final answer will be 18 kilometers.
Step-by-step explanation:
Sorry if its wrong
Answer:
your answer is : 4/9
~hope you have a great day/night :-) ~
Step-by-step explanation:
