Answer:
x = 15
Step-by-step explanation:
given that y varies directly with x
mathematically we can express this as
y = k x , where k is a constant
step 1: find k
given x = 3 and y = 21
y = k x
21 = k (3)
k = 7
hence the equation becomes
y = 7 x
when y = 105,
105 = 7x
x = 105 / 7 = 15
Answer:
6
Step-by-step explanation:
2x-2y = 2(x-y) = 2(3) = 6
Answer:
Create equivalent expressions in the equation that all have equal bases, then solve for
x
.
Exact Form:
5/3
Decimal Form:
x
=
1.6
Mixed Number Form:
x
=
1 2/3
Answer: Felix has a job that pays 100 dollars an hour, If he makes 2500 dollars a week how many hours does he work each day.
100x = 2500
hope this helps mark me brainliest please
