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mafiozo [28]
3 years ago
12

if you increase the number by 4 and double the sum the result you will get will be the same as four times the number decrease by

six​
Mathematics
1 answer:
bezimeni [28]3 years ago
4 0

Answer:

Step-by-step explanation:

Let the number be x,

2(4+x)= 4x-6

8+2x= 4x-6

Collect like terms

8+6. = 4x-2x

14 = 2x

x = 14/2

x.=. 7

PLEASE GIVE BRAINLIEST.

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tresset_1 [31]

Answer:

$81.55

Step-by-step explanation:

$15+15%=15x1.15=$17.25

$23+10%=23x1.1=$27.50

$32+15%=32x1.15=$36.80

Total=$81.55

(Time to find a cheaper shop)

4 0
2 years ago
System by elimination <br><br>2x - y = -3 <br>-2x - 8y = 12​
topjm [15]

Answer:

x= -2 y= -1

Step-by-step explanation:

stack the 2 equations on top of each other and add them together

the 2x and -2x cancel out and you are left with -9y=9

this gives you y= -1

you plug the y value into one of the equations:

2x - (-1) = -3

2x+1 = -3

2x= -4

x= -2

7 0
2 years ago
The table shows the number of each type of toy in the store. the toys will be placed on shelves so that each shelf has the same
skelet666 [1.2K]
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3 years ago
A hiker travels at a speed of 3 miles per hour for 3 hours.How far does the hiker travel in that time?
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