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nikdorinn [45]
3 years ago
10

2w-y=7w-2 (solve for w) Please show work and only give correct answers. Thank you!

Mathematics
2 answers:
GarryVolchara [31]3 years ago
4 0

Step-by-step explanation:

2<em>w</em> - <em>y</em><em> </em>= 7<em>w</em> - 2

-7<em>w</em> -7<em>w</em>

_______________

-5<em>w</em> - <em>y</em><em> </em>= -2

+ y + y

____________

-5<em>w</em> = -2 + <em>y</em>

____ ______

-5 -5

-  \frac{y}{5}  +  \frac{2}{5}  = w

I hope this helps you out alot, and as always, I am joyous to assist anyone at any time.

Viefleur [7K]3 years ago
3 0

Answer:

2w - y = 7w - 2

-5w - y = -2

-5w = -2 + y

w = -(y -2)/5

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At Billy's school, 80 students come to school by bicycle or by car. Together, the vehicles they arrive to school in have 270 whe
Anna35 [415]

Answer:

x = number of bicycles = 35

y = number of cars = 55

Step-by-step explanation:

Let

x = number of bicycles

y = number of cars

x + y = 80 (1)

2x + 4y = 270 (2)

From (1)

x = 80 - y

Substitute x = 80 - y into (2)

2x + 4y = 270 (2)

2(80 - y) + 4y = 270

160 - 2y + 4y = 270

- 2y + 4y = 270 - 160

2y = 110

y = 110/2

y = 55

Substitute y = 55 into (1)

x + y = 80 (1)

x + 55 = 80

x = 80 - 55

x = 35

x = number of bicycles = 35

y = number of cars = 55

6 0
3 years ago
If four times a certain number, increased by 6 is equal to 49, what is the number
Studentka2010 [4]

Answer:

Step-by-step explanation:

6 0
3 years ago
How do you explain how to get h(t)=7(t-25)
Nutka1998 [239]
Hey There! :)

To Solve for t.
h(t)=7(t-25)
Distribute the brackets.
h(t)=7*t-7*25
h(t)=7t-175
Subtract 7t from both sides.
(h(t))-7t=(7t-175)-7t
(h(t)-7t=-175
h*t-7t=-175
Factor out variable, t.
t(h-7)=-175
Divide both sides by h-7.
(t(h-7))/h-7=(-175)/h-7
t=-175/h-7

Hope this helps!
-Benjamin




8 0
3 years ago
Wich is the missing number in the prime factorization will rate branleist
gogolik [260]
The answer is a. 5. Good luck
5 0
2 years ago
Which number is a multiple of 4/5?
matrenka [14]

Answer:

twenty and forty

Step-by-step explanation:

List them all out

6 0
2 years ago
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