sum392
sum392 sum392
  • 02-10-2019
  • Mathematics
contestada

If |3x - 7|= |3x + 1| what is the value of x?

Respuesta :

306flower
306flower 306flower
  • 02-10-2019

Answer:

x = 1

Step-by-step explanation:

First, try setting the two equal to each other without absolute value

3x - 7 = 3x + 1

0 = 8

That's undefined, so try making one negative. It doesn't matter which, so I'll do the first one.

-(3x - 7) = 3x + 1

7 - 3x = 3x + 1

6 = 6x

1 = x

Answer Link

Otras preguntas

f(x)=2x^3+13x^2+23x+12
The value of 4 in 34,258 is _ times the value of 4 in 47,163
Three times a number is no less than negative six.
How new species may have formed in three land masses from the ancestral Adansonia species
The female reproductive parts of a flower are called a. petals. b. stamens. c. sepals. d. carpels.
The monomers of nucleic acids, such as dna and rna, are known as a. proteins. b. nucleotides. c. polypeptides. d. nuclei.
Kelly and Daniel wrote the following proofs to prove that vertical angles are congruent. Who is correct? Kelly is correct, but Daniel is not. Neither Kelly o
Which of the following accurately summarizes an idea of French enlightenment philosopher Jean- Jacques Rousseau?
A polar covenant bond is likely to form between two atoms that ________. a.) are similar in electronegativity b.) are of similar size c.) differ in electronega
(08.01 MC) Read the sentence and decide if the bolded word is a borrowed word, a cognate, a false cognate or an idiomatic expression. L'hôtesse de l'air travail