subject
Mathematics, 23.05.2020 16:58 soleydyperez

I think of a number, double it, and subtract two. I get nine. using the statement above, from an equation. Use the letter "X" for the unknown number.
solve the equation as well.


5.5

Step-by-step explanation:

your number is X

doubling it=2X

2X-2=9

using like terms...

2X=9+2

2X=11

dividing through by 2

2X/2=11/2

X=5.5

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 14:30
Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4
Answers: 3
question
Mathematics, 21.06.2019 20:00
Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !
Answers: 2
question
Mathematics, 21.06.2019 21:40
Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit
Answers: 3
question
Mathematics, 21.06.2019 23:30
Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.
Answers: 1
You know the right answer?
I think of a number, double it, and subtract two. I get nine. using the statement above, from an equ...
Questions
question
Mathematics, 27.04.2021 03:40
Questions on the website: 13722360