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slega [8]
3 years ago
6

When the sum of a number and 3 is subtracted from 10 the result is 5. What is the integer

Mathematics
1 answer:
Rashid [163]3 years ago
4 0

In algebraic terms this is:

10-(x+3)=5\\10-x-3=5\\10-x=5+3\\10-x=8\\-x=8-10\\-x=-2\\x=2

The integer is 2.

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Answer:

x = -1, y = 1

Step-by-step explanation:

6 + 4x - 2y = 0 (1)

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From (1)

6 + 4x - 2y = 0 (1)

4x - 2y = -6 (3)

From (2)

-3 - 7y = 10x (2)

10x + 7y = -3 (4)

4x - 2y = -6 (3)

10x + 7y = -3 (4)

Using elimination method

Multiply (3) by 10 and (4) by 4 to eliminate x

40x - 20y = -60

40x + 28y = -12

28y - (-20y) = -12 - (-60)

28y + 20y = -12 + 60

48y = 48

y = 48/48

y = 1

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4x - 2y = -6 (3)

4x - 2(1) = -6

4x - 2 = -6

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x = -4/4

x = -1

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The value of x in the equation is -1

4 0
3 years ago
If 8x is the length of a rectangle and the area is 8x^2 -56x what must the width be?​
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Answer:

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Step-by-step explanation:

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7 0
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Answer:

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Step-by-step explanation:

When x=2, f(2)=2(3)^{2}=18.

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8 0
2 years ago
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For every pair of slacks Arlo can choose 4 dresses so the number of ways is

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3 years ago
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