lifeisprecious lifeisprecious

04-06-2020
Mathematics

contestada

If a=7 and =3, evaluate the following expression:
3a+b

Respuesta :

Sarah06109 Sarah06109

04-06-2020

Answer:

24

Step-by-step explanation:

The expression given is:

3a+b

We know that a is equal to 7 and b is equal to 3. Therefore, we can substitute 7 in for a, and 3 in for b.

3(7)+3

Solve according to PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction.

Multiply 3 and 7 first

21+3

Add 21 and 3

24

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TheAnimeGirl TheAnimeGirl

06-06-2020

The right answer is 24.

please see the attached picture for full solution

hope it helps

good luck on your assignment

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