yearyalyssa yearyalyssa
  • 06-09-2018
  • Mathematics
contestada

Explain how to verify that 3(2x + 5) = 9 + 3x and x = –2 are equivalent equations.

Respuesta :

r0swell
r0swell r0swell
  • 06-09-2018

3 times (2x + 5) is 6x + 15.

6x + 15 = 9 + 3x.

Group by like terms. 6 = -3x

Divide to get x by itself. 6/-3 = -2

Thus -2 = x

Answer Link

Otras preguntas

Describe two environmental concerns associated with soil erosion.
how do you say frog in Spanish?
Identify the individual who was responsible for explaining the circulatory system.
After 10 minutes , an adult blinks about 10m + 3 times. About how many times does an adult blink in three minutes? In two hours?
Why does fossil fuel use in the United States make the U.S. vulnerable to the political wishes of foreign countries?
Well into the twentieth century, many scientists believed the ocean floor was
The amount the nation's government owes is called the
The amount the nation's government owes is called the
In 1935 Mussolini attacked Ethiopia. Which organization was supposed to (but failed) help Ethiopia?
Write the prime factorization of 6. Use exponents when appropriate and order the factors from least to greatest (for example, 2235).