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riadik2000 [5.3K]
3 years ago
12

Solve the equation. 6x+7=8x−15

Mathematics
2 answers:
katen-ka-za [31]3 years ago
4 0
You need to change around the values so that the letters are on one side whereas numbers on the other:

15 +7 = 8x - 6x 
22 = 2x
x = 11.

Hope This Helps!

svp [43]3 years ago
3 0

Answer:

x = 11

Step-by-step explanation:

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jolli1 [7]

Answer:

Fred is 28 yrs old. Nathalie is 12yrs old

Step-by-step explanation:

Let Nathalie's age be x

Let Fred's age be a

x+a=40 yrs•••••1

4x+a=76yrs•••••2

a=40-x

Substitute a for 40-x in equation (2)

4x+40-x=76

3x=76-40

3x=36

x=12

a=40-12

a=28

5 0
2 years ago
Scott took out a 72 month loan for $35,000 to purchase a new boat. If Scott paid $8,925 in simple interest, what was the interes
diamong [38]

Answer:

Option 4.7% = 3,500 x 4.7% =$164.50 simple annual interest.

82.25 this is what Scott will pay in 6 months at simple interest.

 

Option 4.2% =3,500 x (1 +0.042/12)^6 =3,500 x 1.0035^6=$3,574.15.

3,500 =$74.15 this is what Scott will pay in 6 months at compounded interest.

 

The compound option is cheaper by: 74.15 =$8.10.

6 0
3 years ago
Read 2 more answers
Answer this in two minutes
gregori [183]

Hey there! :)

Answer:

y = x - 3.

Step-by-step explanation:

Given:

Slope = 1

Point on line: (8, 5)

Plug these into the formula y = mx + b, where:

m = slope

x = x coordinate of point

y = y coordinate of point

5 = 1(8) + b

5 = 8 + b

Subtract both sides by 8:

5 - 8 = 8 -8 + b

-3 = b

Rewrite the equation:

y = x - 3.

4 0
3 years ago
kirk bought songs for his mp3 player. he needs 6 more songs to have a total of 100. write an integer to represent how many more
Gwar [14]
We know that he is 6 songs away from 100.
The question is: How many songs away from 100 is he? Well, 6, of course!

(An interger is just any number that doesn't have decimals. ...-2, -1, 0, 1, 2, 3...etc.)
4 0
2 years ago
A tour group charges a flat price for a tour of up to 20 people. The cost per person varies inversely with the number of people.
natita [175]
5 people -  pay 135 each
15 people - pay  x each
----------------------------------
5 : 15 = x : 135
15 x = 5 * 135
15 x = 675
x = 675 : 15
x = 45
Answer:
B ) 45.00
6 0
3 years ago
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