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Masteriza [31]
4 years ago
13

Solve the two-step equation. − 2 3 x – 21 4 = 27 4

Mathematics
2 answers:
svetoff [14.1K]4 years ago
7 0

Answer:

Step-by-step explanation:

I'm going to assume that the problem is -23x -214 = 274

And in that case...

1. First isolate the x-value by adding 214 to both sides of the equation:

-23x = 488

2. Then, divide both sides by -23 to truly get x alone:

x = -\frac{488}{23} or -21.22

defon4 years ago
7 0

Answer:

 x = -18

Add the opposite of the constant on the left:

 -2/3x = 21/4 +27/4 = 48/4 = 12

Multiply the equation by the inverse of the coefficient of x:

 x = (-3/2)(12) = -18

The solution is x = -18.

Step-by-step explanation:

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30 points !!!! :)) please help thanksss
Doss [256]

Answer:

A = 10⁰

Step-by-step explanation:

We have 2.247 and this to represented as $ 2 \times A + 2 \times B + 4 \times C + 7 \times D $

$ 2.247 = \frac{2247}{1000} $

$ 2.247 = 2 \times 10^0 + 2 \times \frac{1}{10} + 4 \times \frac{1}{10^2} + 7 \times \frac{1}{10^3} $

Comparing with the given data, we have:

A = 10⁰

B = $ \frac{1}{10} $

C = $ \frac{1}{10^2} $

D = $ \frac{1}{10^3} $

Hence the answer A = 10⁰.

7 0
3 years ago
i need help with number 7. its solving systems of equations by substitution. please show work!!! i need help
SIZIF [17.4K]
#7:
<span>Subtract </span>y<span> from both sides:
</span>-4x=6-y

Divide both sides by -4:

Answer:
x= -6-y/4


#7 part 2:

Add <span>y</span><span> to both sides:
</span>-5x=21+y

Divide both sides by -5:

Answer: x=-21+y/5

hope i helped!



7 0
3 years ago
What is 5/6 divided 3/4 expressed in simplest form
Aleksandr-060686 [28]

Answer:

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Alexxx [7]

Answer:

8 -4 -7 1

Step-by-step explanation:

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8 0
4 years ago
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Answer:

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Step-by-step explanation:

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