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bonufazy [111]
3 years ago
14

What is the answer for this equation?(2x+-3)+(8x+4)=

Mathematics
1 answer:
Genrish500 [490]3 years ago
8 0

Answer:

(2x+-3)+(8x+4)=

2x <u>-3</u> +8x <u>+4</u> =

10x <u>+1</u>

<u />

(2x+-3)+(8x+4) = 10x +1

<u />

if you want write a equation you can write...

(2x+-3)+(8x+4)=10x +1

and the value of x is...

2x-3+8x+4 = 10x+1

2x+8x-10x = 1+3-4

x = 0

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Alice is riding the train to her job in Paris, France. She accidentally purchased a ticket for zone 4, but she is
stepan [7]

Answer:

3005 euro is the answer

7 0
2 years ago
A scientist has saline solutions with concentrations of 4% and 14% . He wants to mix some of each solution to get 65 milliliters
Komok [63]
Let volume of 4% solution = x and of 14% be y

them x + y = 65........(1)    also  using the actual weights of  salt:-

0.04x + 0.14y  =  65*0.06 = 3.9

multiplying the above equation by  -25 we have

-x - 3.5y = -97.5    adding this to equation (1)

--2.5y = -32.5
y= 13 

and x = 65 - 13 = 52

so we need 13 mls of the 14%,  and 52 mls of the 4% solution.
8 0
3 years ago
Find the increase in price of a single piece of design, when crafts design price is increased by 45% which makes a buyer to buy
Volgvan

Answer: Original price = $43.10, Increase = $19.40, Final price = $62.50

<u>Step-by-step explanation:</u>

Let x represent the original price, then

8x(1.45) < $500

x

x < $43.10

Increase is 0.45x

0.45($43.10)

= $19.40

Final price is Original + Increase

$43.10 + $19.40

= $62.50

8 0
4 years ago
A garden table and a bench cost $600 combined. The cost of the garden table is three times the cost of the bench. What is the co
Sonja [21]
This is how I'd solve it:

bench = x           x+3x=600 
table = 3x               4x=600
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The bench costs <u>$150</u> and the table costs <u>$450</u>; combined, they cost $600, so it's correct. I hope this helps you!
3 0
3 years ago
Read 2 more answers
Graph the solution of this inequality: 4.5x-100 &gt;125
Lubov Fominskaja [6]
\bf 4.5x-100\ \textgreater \ 125\implies 4.5x\ \textgreater \ 225\implies x\ \textgreater \ \cfrac{225}{4.5}\implies x\ \textgreater \ 50

check the picture below.

4 0
3 years ago
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