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Anarel [89]
3 years ago
13

3 - 7x plus 2x when x =3

Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0

Answer:

if x is 3 then

3-7(3)+2(3)

-18+6

-12 done

pashok25 [27]3 years ago
5 0

Answer:

-12

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

Step-by-step explanation:

<u>Step 1: Define</u>

3 - 7x + 2x

x = 3

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    3 - 7(3) + 2(3)
  2. Multiply:                               3 - 21 + 6
  3. Subtract:                              -18 + 6
  4. Add:                                     -12
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GREYUIT [131]

Answer:

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Step-by-step explanation:

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8 0
4 years ago
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liubo4ka [24]

Answer:

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4 0
3 years ago
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a)

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