Answer:
x = 5
Step-by-step explanation:
x + 3 = 8
x = 8 - 3
x = 5
Answer:
x=-11/8
Step-by-step explanation:
First use the Distributive property on [3(2x-1)]:
5x+6x-3=3x-14
Now combine alike terms:
11x-3=3x-14
Now add three to both sides:
11x=3x-11
Now subtract 3x from both sides:
8x=-11
Now divide both sides by 8:
x=-11/8
This fraction cannot be simplified meaning your final answer SHOULD be -11/8
Answer:
Solve for X ( The question I did was an example )
Step-by-step explanation:
To solve and equation like 2x+9=30 you will have to isolate the number with a variable. You need to subtract 9 on both sides for that to happen.
2x=21
Now the next step is to divide. You have to divide to get the answer.
x=21/2
x= 10.5
Answer:
x = 3, y = 10.
Step-by-step explanation:
The 2 triangles are similar so the corresponding sides are in the same ratio.
x/6 = 4/8
x/6 = 1/2
x = 6/2 = 3.
y/5 = 8/4 = 2
y = 5*2 = 10,
Answer:
60 mph
Step-by-step explanation:
We don't know how far Jimmy drives in each direction. Let this distance be d. Then, d = rate * time, and d = r(2 hours) (where r represents his speed while driving to the ferry).
But it's also true that d = (r - 20 mph)(3 hours).
Equating d = r(2 hours) and d = (r - 20 mph)(3 hours), we get:
r(2) = (r - 20)(3), or 2r = 3r - 60.
Subtracting 2r from both sides yields 0 = r - 60, so that r = 60 mph.
Jimmy averaged 60 mph on the outbound trip.
