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

Which expression is equivalent to 3(m − 3) + 4? 3m + 1 3m − 5 3m + 13 3m − 3

After a military coup in Nigeria, economic problems continued because of _____________

What is the first step needed to solve 4 over 7 the whole multiplied by x minus 5 equal negative 13? Subtract 13 from both sides Divide both sides by 7 Add 5 to

Using your knowledge of punctuation, choose the best place to put a comma: The long winding road was dark and ominous.

Identify the complete adverb clause. If I were you, I'd take word processing this year.

Let f(x) = x2 - 16. Find f-1(x).

There are 32 students in a class. Nine of those students are women. What percent are men? (round to the nearest tenth)

What is the coefficient of the variable in the expression 2 − 5x − 4 + 8? A: −5 B:−4 C:2 D:8

Which expression is equivalent to 3(m − 3) + 4? 3m + 1 3m − 5 3m + 13 3m − 3

The number of children in the library was 3 times the number of adults. The total number of people at that library was 48. How many children were at the library