mostafachowdhury90
mostafachowdhury90 mostafachowdhury90
  • 26-04-2021
  • Mathematics
contestada

View the work below from a student last year. What was their mistake? Be detailed in their response.

-3(x + 4) = 2x - 5

-3x + 4 = 2x - 5

4 = 5x - 5

9 = 5x

1.8 = x

Respuesta :

emmauselton2 emmauselton2
  • 26-04-2021
need to distribute -3

-3(x+4)=2x-5
-3x+12=2x-5
-5x=7
x=-7/5 or x=-1 2/5 or x=-1.4
Answer Link

Otras preguntas

Concerning the writing of the Bible, revelation is the what and is the how thought dictation inspiration
V. Put the verbs in brackets in the correct form, using the past perfect or simple past tense as appropriate. Use the continuous forms if necessary. 1. Jake (gr
h r t g y b h d b h g ​
Find the Quotient and Remainder. 5x^3 - 6x^2 + x + 7 divided by x^2
Large pieces of the lithosphere that move around on the asthenosphere are called
If $875 is put in the bank and each year the account carns 9% simple interest, then how much interest will be earned in four years?
what is federalism???????? ​
three ways on how to help the depression suffer​
The word above is an example of a _____________________. conjunction noun preposition pronoun
Circle the adverb in this sentence. 5. Touch the new puppy gently so you don't injure it.