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gladu [14]
3 years ago
14

4x+2=5x-6. I need this solved with all work shown. thank you.​

Mathematics
2 answers:
PtichkaEL [24]3 years ago
6 0

Answer:

Step-by-step explanation:

4x+2=5x-6

4x-5x=-6-2

-x=-8

therefore, x=8

Jlenok [28]3 years ago
4 0

Answer:

x=8

Step-by-step explanation:

4x+2=5x-6

Subtract 4x from each side

4x-4x+2=5x-4x-6

2 =x-6

Add 6 to each side

2+6 = x-6+6

8 =x

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guapka [62]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Anne, Barry, and Cathy enter a coffee shop. Anne orders two coffees, one juice, and two doughnuts and pays $7.50. Barry orders o
Evgesh-ka [11]

Answer:

Coffee = $2.00

Juice = $1.50

Doughnut = $1.00

Step-by-step explanation:

Given

Let:

c = coffee\\ j= juice\\ d = doughnut

So, we have:

Anna

2c + j + 2d = 7.50

Barry

c + 3d = 5.00

Cathy

3c + j + 4d = 11.50

Required

The price of each

We have:

2c + j + 2d = 7.50

c + 3d = 5.00

3c + j + 4d = 11.50

Make c the subject in: c + 3d = 5.00

c = 5.00 - 3d

Substitute c = 5.00 - 3d in 2c + j + 2d = 7.50 and 3c + j + 4d = 11.50

2c + j + 2d = 7.50

2[5.00 - 3d] + j + 2d = 7.50

10.00 - 6d+ j + 2d = 7.50

Make j the subject

j = 7.50 - 10.0 +6d - 2d

j = -2.50 +4d

3c + j + 4d = 11.50

3[5.00 - 3d] + j + 4d = 11.50

15.00 - 9d + j + 4d = 11.50

Make j the subject

j = 11.50 - 15.00 + 9d -4d

j = -3.50 + 5d

So, we have:

j = -3.50 + 5d and j = -2.50 +4d

Equate both values of  j

-3.50 + 5d = -2.50 + 4d

Collect like terms

5d - 4d = 3.50 -2.50

d = 1.00

Substitute d = 1.00 in j = -3.50 + 5d

j = -3.50 + 5d

j = -3.50 + 5 * 1.00

j = -3.50 + 5.00

j = 1.50

To solve for c, we substitute d = 1.00 in c + 3d = 5.00

c + 3 * 1.00 =5.00

c + 3.00 =5.00

Solve for c

c =- 3.00 +5.00

c =2.00

7 0
2 years ago
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Bumek [7]

Answer:

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Step-by-step explanation:

x intercept = 3

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3 years ago
Need help with homework, I'm having a hard time understanding what to do.
maks197457 [2]

Answer:

i know what you can do

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3 years ago
A frog eats 8 flies in 4 minutes. How many flies per minute does the frog eat
Liono4ka [1.6K]

Answer:

2 per minute

Step-by-step explanation:

Because 8 divided by 4 is 2.

3 0
3 years ago
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