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enyata [817]
3 years ago
9

So if you can do expressions with rational numbers, what is the answer to -½+-0.5​?

Mathematics
1 answer:
jek_recluse [69]3 years ago
4 0

Answer:

  -1

Step-by-step explanation:

The sum of -1/2 and -5/10 is -1.

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The quotient of-54 and 9, subtracted from 8 times a number, is-18
AysviL [449]
The number is:  " -3 " .
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Explanation:
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Let "x" be the "unknown number" for which we are to solve.

        8x − (-54/9) = -18 ;  Solve for "x" ; 

  →  8x  − (-6) = - 18 ;

  →  8x + 6 = - 18 ;

   Subtract "6" from each side of the equation:

  →  8x + 6 − 6  =  - 18 <span>− 6 ;

to get:   8x =  -24 ;

Divide EACH SIDE of the equation by "8" ; to isolate "x" on one side of the equation ; & to solve for "x" ; 

              8x / 8 = -24 / 8 ;

to get:   x = -3 .
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The number is:  " -3 " .
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4 0
3 years ago
. What is the negative solution to this equation?<br> 8x2 – 4x = 363
stiv31 [10]

Answer:

- x = 81 and 3/4

Step-by-step explanation:

8 × 2 – 4x = 363

16 - 4x = 363

Subtract 16 from each side:

16 - 16 - 4x = 363 - 16

- 4x = 327

Divide each side by 4:

- 4x  ÷ 4 = 327 ÷ 4

- x = 81 and 3/4

8 0
3 years ago
Help immediate i will mark you brainliest
ExtremeBDS [4]

Answer:

What's the question?

8 0
3 years ago
What is y=5/6x-3 in standard form
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The answer is negative 2.5 why because...
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