Seudónimo Seudónimo
  • 12-01-2019
  • Mathematics
contestada

URGENT‼️‼️‼️‼️‼️ Is the open sentence 7x-5=2x+8 true when x=2? Justify your answer.

Respuesta :

jimrgrant1 jimrgrant1
  • 12-01-2019

Answer:

No

Step-by-step explanation:

Substitute x = 2 into the equation and if both sides are equal then x = 2 is a solution.

left side = (7 × 2) - 5 = 14 - 5 = 9

right side = (2 × 2) + 8 = 4 + 8 = 12

left side ≠ right side

Hence x = 2 is not a solution of the equation


Answer Link

Otras preguntas

who is the founder of the illuminati
Pls help being timed
solve the system of equations 7x-3y-20 and y =5x-4 X= and Y =
What are the answers to this
Two-thirds of Mrs. Bilderson’s algebra students went on a fried trip. If 60 students went on the field trip, how many students are in Mrs. Bilderson’s algebra c
Emilio practices with the wrestling team every day after school because he knows his father wants him to be a star athlete. he has no real interest in wrestling
check all of the correct solutions to this problem
the students on a decorating committee create a banner. The length of the banner is 2.5 times its width. The length of the banner is 20 feet. What is the width
The type of cover letter written in response to a posted job opening: a. Networking letter b. Prospecting letter c. Application letter d. Follow up letter
Is my answer correct