AmiraContreras AmiraContreras

16-10-2019
Mathematics

contestada

Find the error and explain why:

1. 9x+2=x+5
9x+2=6
9x=4
x=4/9

2. 3(x-4)+5=12
3x+4+5=12
3x+9=12
3x=3
x=1

Respuesta :

cinderofsoulsss cinderofsoulsss

16-10-2019

1) 9x + 2 = x + 5 ---> 9x + 2 = 6

subtracted X from one side but not the other

2) 3(x-4) + 5 = 12 ---> 3x + 4 + 5 = 12

didn't distribute correctly: 3(x-4)

multiplied the X by 3 but not the -4

Answer Link

Otras preguntas

This question has two parts. First, answer Part A. Then, answer Part B. Part A The expressions in the table represent the number of canned goods collected by tw

(30 points) Answer Asap/ please put what I have to put in the red box below

the u.s. government has so far been predominently opposed to emissions reductions on the grounds that _____ .

I need help with this please

Historically, a certain large company receives some job applications from Virginia Tech each year. 20% of the years see 1 Tech applicant, 45% of the years see 2

-2y + 3 =21 solve linear equations

In your internship with Lewis, Lee, & Taylor Inc. you have been asked to forecast the firm's additional funds needed (AFN) for next year. The firm is operat

R is a midpoint on the line segment QS. if QR=12.5 what is QS?

HELP pls question in picture 20 points

please help me Collage and Career prepertation