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mina [271]
3 years ago
8

Evaluate if 8y + 4x – (2x + 3) if x = – 2 and y = 6

Mathematics
2 answers:
alexgriva [62]3 years ago
8 0

Answer:

41

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> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

8y + 4x - (2x + 3)

<em>x</em> = -2

<em>y</em> = 6

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     8(6) + 4(-2) - (2 · -2 + 3)
  2. (Parenthesis) Multiply:                                                                                      48 - 8 - (-4 + 3)
  3. (Parenthesis) Add:                                                                                            48 - 8 - (-1)
  4. Subtract:                                                                                                            41
marishachu [46]3 years ago
6 0

Answer:

41

Step-by-step explanation:

substitute x=-2 and y=6, we know

8×6 +4×(-2) -(2×(-2) +3) = 48-8-(-1) =41

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