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4 years ago

X-3----- = -1 how do I solve this? 22

1 answer:

5 0

So first you multiply 22 to both sides, which cancels 22 from the left side.

This will leave you with x - 3 = -22

Then you add three to both sides, which cancels -3 from the left side.

This will leave you with x = -22 + 3, also simplified to x = -19

Hope this helps.

-Ruru

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mikeyfauth

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Mathematics

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The perimeter of the triangle is 6a + 3 units. Write an expression in simplest form for the length of Side 3.

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astha8579

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The length of the third side is a-2.

Given that:

Perimeter of triangle: 6a + 3

Length of first side: 2(a+3)

Length of second side: 3a -1

Let the length of the third side of the triangle be x.

Then as perimeter of a triangle is sum of lengths of all 3 sides of the triangle, thus we have:

Thus we have length of the third side as a -2.

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3 years ago

what is the algebraic equation 3 times the sum of a number and 7 is 2 less than five times the number

stealth61 [152]

Let n = number

"3 times the sum of a number and 7" translates to 3(n + 7)

"2 less than five times the number" translates to 5n - 2

The word "is" becomes the equals sign.

3(n + 7) = 5n - 2

I think you already asked this one.

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