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ivann1987 [24]
2 years ago
8

[20 points] -x + 4 = 9

Mathematics
2 answers:
ohaa [14]2 years ago
8 0

Answer:

Step-by-step explanation:

Let's solve your equation step-by-step.

−x+4=9

Step 1: Subtract 4 from both sides.

−x+4−4=9−4

−x=5

Step 2: Divide both sides by -1.

−x /−1 = 5 /-1

x=−5

Answer:

x=−5

sveta [45]2 years ago
4 0

Answer: x = -5

Step-by-step explanation:

-x + 4 = 9

     -4   -4

-x = 5

divide by -1 on both sides

x = -5

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A building has two sizes of apartments Smart in regular the ratio of small apartments to regular apartments is 18 to 7 what perc
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Answer:

72 percent of the total houses are small

Step-by-step explanation:

The first step is to know the total apartments from the ratio: This is got by adding 18 + 7 = 25

The ratio of small apartments to regular ones is 18:7

To get the percentage that is small, we have to express the number of small houses when compared to the total available apartments. (<em>Note: not the regular ones) </em>as a percentage.

This will be (18/25) X 100 = 72%

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3 years ago
2(x + 4) - 5 = 3x + 3
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Answer:

x=0

Step-by-step explanation:

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