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ANTONII [103]
3 years ago
5

How many solutions are in 5x-2-3x(1+2)=2(2+3)

Mathematics
2 answers:
mrs_skeptik [129]3 years ago
8 0
5x-2-3x(3)=2(5)
5x-2-9x=10
-4x=12
x=-3
There is only one solution. The solution is x=-3
Burka [1]3 years ago
7 0
The Answer Is



X = 3

Hope this Helps
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2 + y

Step-by-step explanation:

all you must do is add y to 2

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3 years ago
To mix plaster for a dental model, 35 mL of water is used for 100g of plaster. How many mL of water should be used for 250g of p
laila [671]

Okay, here we have this:

Considering the provided information, we are going to calculate the requested value, so we obtain the following rule of three:

\begin{gathered} \frac{x}{35mL\text{ of water}}=\frac{250g\text{ of plaster}}{100g\text{ of plaster}} \\ x=\frac{250g\text{ of plaster}}{100g\text{ of plaster}}\cdot35mL\text{ of water} \end{gathered}

Solving for x:

\begin{gathered} x=2.5\cdot35mL\text{ of water} \\ x=87.5mL\text{ of water} \end{gathered}

Finally we obtain that 87.5mL of water should be used for 250g of plaster.

3 0
9 months ago
1/2(-9 + y)=2.5 solve for why. Please show me your steps
Oksi-84 [34.3K]

Answer:

Y = 14

Step-by-step explanation:

1/2(-9 + y) = 2.5

1/2 * -9 = -4.5

1/2 * y = 0.5y

-4.5 + 0.5y = 2.5

+4.5             +4.5

0.5y = 7

/0.5   /0.5

y = 14

7 0
2 years ago
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