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Murrr4er [49]
3 years ago
14

What is x? -2.5x- 2=18​

Mathematics
1 answer:
snow_tiger [21]3 years ago
3 0

Answer:

x = -8

Step-by-step explanation:

-2.5x - 2 = 18.

Add 2 to both sides.

-2.5x = 20.

Divide both sides by -2.5.

x = -8

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In this subtraction, PR5T and 47Y6 represent 4-digit numbers. What number does PR5T represent?
Svetach [21]

Answer:

PR5T represents <em>6754.</em>

P = 6

R = 7

T = 4

Y = 5

Step-by-step explanation:

Let us try to understand the subtraction starting from the unit's digit.

   P R 5 T

-  4 7 Y 6

-----------------

    1 9 9 8

To get 8, 6 should be subtracted from 14

14 - 6 = 8

So, T should be equal unit digit of 14 <em>i.e.</em> T = 4 and 1 should be carried over from the ten's digit of PR5T.

Now, let us move to ten's digit:

   P R 5 4

-  4 7 Y 6

-----------------

    1 9 9 8

To get 9, 6 should be subtracted from 15. But 1 is already carried to unit's place So, we have actually 14 here

14 - Y = 9

So, Y = 5

Moving to hundred's place:

R - carry - 7 = 9

Carry is 1, so R = unit's place of 9 + 8 i.e. R = 7

Moving to thousand's place:

P - carry - 4 = 1

Here carry is 1

So, P = 1 + 4 + 1 = 6

So, the number PR5T is <em>6754.</em>

5 0
3 years ago
If you take a number, times by 8 then add 6. You get the same as if you took the number multiply it by 3 then subtract 7. What i
Gennadij [26K]

Answer:

x = -13/5

Step-by-step explanation:

let x be the number

8x + 6 = 3x - 7

move variables to left and numbers to right

8x - 3x = - 7 -6

5x = -13

x = -13/5

4 0
3 years ago
Solve the inequality: 12p + 7 &gt; 139
lara31 [8.8K]
12p+7>139 Start
12p>132 Subtract 7
p>11 Divide 12
6 0
3 years ago
Read 2 more answers
Please help, its due tonight
NikAS [45]

Answer:

AS14 = 1107.4

Step-by-step explanation:

Hopefully this helps

3 0
3 years ago
Round 713,923 to the nearest hundred.
jeyben [28]

Answer:

713,7923 to the nearest hundred is 713,900

3 0
3 years ago
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