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Masteriza [31]
3 years ago
13

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

Mathematics
2 answers:
svetoff [14.1K]3 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

defon3 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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Answer:

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Step-by-step explanation:

Here,

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3 years ago
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MrRa [10]
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5 0
3 years ago
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user100 [1]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
how many minutes is it before 12 noon if 20 minutes ago it was three times as many minutes after 9 am
Hunter-Best [27]
First, change everything into minutes.
12 noon is 12 by 60 which = 720 minutes.
9am is 9 by 12 which = 540 minutes.
X is now your number of minutes before noon.So noon - x is the next step:
720 - x
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160 = 4x
160/4= x
40 = x
Your answer is 40 minutes
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3 years ago
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Step-by-step explanation:

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