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Murrr4er [49]
3 years ago
6

Simplify the expression: 10s+–2s

Mathematics
2 answers:
Arada [10]3 years ago
5 0

Answer:

\huge\boxed{8s}

Step-by-step explanation:

Expression can be broken down into a couple of parts.

  • A term (like 10s, or -2s)
  • The variable (what the unknown value is being represented by, in this case, s)
  • The coefficient (the number next to the variable, showing what to multiply the variable by - in this case, 10 and -2)

When we have multiple terms with the same variable, we can perform operations on them assuming they have the same variable - for example, 5x + 6x = 11x, as 5+6=11.

We can apply the same logic here, however, note that adding a negative is the same as subtracting a positive. For example, 5 + -2 is the same as 5-2.

10 - 2 = 8

Therefore, our final expression is 8s.

Hope this helped!

likoan [24]3 years ago
3 0

Answer:

8s

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

  • Terms

Step-by-step explanation:

<u>Step 1: Define</u>

10s + -2s

<u>Step 2: Simplify</u>

  1. Rewrite:                               10s - 2s
  2. Combine like terms:           8s
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3 years ago
Don't have time for any bs please answer the question or don't do it at all
Serhud [2]

Answer:

1.) (11,  -7/3),   2.) No solution.  3.)  (1, 3)

Step-by-step explanation:

1.)

2x + 3y = 15

x - 3y = 18

Solve...use elimination method

2x + x + 3y - 3y = 15 + 18

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x =11

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

2.) y = 4x + 4

y = 4x - 4

Use substitution.

4x + 4 = 4x - 4

4 = -4  FALSE  NO Solution

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add it to 4x + 3y = 13

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y = 3

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3 years ago
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Temka [501]

Answer:

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Number of newspapers left= x-\frac{3x}{8}

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Fraction of newspapers delivered in second hour is=\frac{1}{2}

Hence, the correct answer is \frac{1}{2}

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