ryanandnatalie ryanandnatalie
  • 17-02-2020
  • Mathematics
contestada

Find the value of the expression 21 - 2a if a = 3

Respuesta :

ujoy64
ujoy64 ujoy64
  • 17-02-2020

Answer:

15

Step-by-step explanation:

Substitute in the values

2 X 3 = 6

21 - 6 =15

Answer Link

Otras preguntas

how did the sumerian writing system develop and change
two adjectives describing eminent domain
how is energy wasted by the radio
80% of how many games is 32
state where you find the oldest permanently settled city in the  unitd states?
Between which pair of numbers is the exact product of 379 and 8.
what is 280 million in scientific notation
why is britain an MEDC (more economically developed country)?
TRUE OR FALSE Is it the responsibility of the general assembly to prepare a budget for the state?
what is the protagonist in the book if I stay