juliannasanchez1
juliannasanchez1 juliannasanchez1
  • 02-10-2017
  • Mathematics
contestada

f (x)=4x-7 when f (x)=8

Respuesta :

kphung76127
kphung76127 kphung76127
  • 02-10-2017
Since both are equivalent to f(x), 4x-7 must equal 8
4x-7=8

Add 7 to both sides
4x= 15

Divide both sides by 4
x=15/4

Final answer: x=15/4
Answer Link

Otras preguntas

How do you simplify this expression 1. 9a/2 2. 12b/4
-1/2 + v = 4/5 solve for v
What cell structure is shown in this picture? O Cytoplasm O Chloroplast O Mitochondria O Vacuole
Which expression is equivalent to 1/2 - (-8) Choose 1 answer:
What do you mean by the speed of car is 40 km per hour
Point F is on line segment EG. Given FG = 3x - 5, EF = 2, and EG = 5x – 8, determine the numerical length of FG.
Solve the following equation;(type your answer as a decimal)7+3x-12x=3x+1
Which sentence correctly describes this image? OA. El caballo está fuera del establo. O B. El caballo está dentro del establo. Ос. El caballo está lejos del est
The three most common local units of government are ___________, __________, and __________.
10. There are ____ people in the room. (much,many, a lot of)