If a=5 what is the value of the card 4a-2

Asked 6 months ago
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If a=5 what is the value of the card 4a-2

2 Answer

2

Answer:

18

General Formulas and Concepts:

Pre-Algebra

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:

Step 1: Define

4a - 2

a = 5

Step 2: Evaluate

  1. Substitute in a:                   4(5) - 2
  2. Multiply:                              20 - 2
  3. Subtract:                             18
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avatar
Amiya Abshire
15.5k 3 10 26
answered 6 months ago
2

Answer:

The card "4a-2" is equal to 18

4a-2 = 18

Step-by-step explanation:

#1. Replace a with 5 and Your equation should look like the following:

4(5)-2

#2. Now Simplify, we all know that multiplication goes before subtraction or addition:

20-2

#3. Celebrate:

18

Woohoo

Hope this helps!

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Jewel Sporer I
15.5k 3 10 26
answered 6 months ago