trenycejackson01 trenycejackson01

02-11-2018
Mathematics

contestada

If ef= 2x-7, fg= 3x-9, and eg= 19, find the values of x, ef, and fg

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-11-2018

ef+fg =eg

2x-7 +3x-9 =19

5x-16=19

add 16 to each side

5x =35

x=7

ef = 2x-7

ef =2*7-7

ef =7

fg =3x-9

= 3*7 -9

= 21 -9

= 12

Answer: x=7

ef =7

fg =12

Answer Link

Otras preguntas

Write step-by-step directions for making a tostada. Number your steps.

4.97 ft 1.06 ft Without using a calculator, determine which of the following could reasonably be the area of the largest rectangle. All four-sided figures are r

Can anyone help? Will give Brainly + 22 pts Question : The larger of two is 1 more than 3 times the smaller. If the smaller is subtracted from the larger, the

One who is lively and likes action. answer it

Calculate the Molarity of 15.4 g of sucrose (C12H22O11) in 74.0 mL of solution

Brian was thinking of a number. Brian doubles it and adds 5.1 to get an answer of 91.3. Form an equation with x from the information.

A car speeds up from rest to +20 m/s in 4 s. What is its acceleration?

0.25 with the 5 recurring as a fraction simplified

A tortoise is walking in the desert. It walks for 31.25 meters at a speed of 5 meters per minute. For how many minutes does it walk?

Oliver and Marie open bank accounts at the same time. Oliver deposits $300 initially and adds $10 per week. Marie deposits $200 initially and adds $20 per week.