juliannasanchez1 juliannasanchez1

02-10-2017
Mathematics

contestada

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

Respuesta :

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

2/3y + v = x (solve for x) please show work, thanks!

Which problem could be solved with the expression 5 x (3+2)? A - Greg fertilized 3 lawns in the morning and 2 lawns in the afternoon. He did this for 5 days. Ho

2. Find the square root of 49x²y4

4. The mass of a single proton is approximately 1.67 x 10-27 kg. The mass of an electron is approximately 9.11 x 104 kg. How many times bigger is a proton than

what is the 'role of uae helping the poor and needy one'?

Is there any shortcut to improve English reading and writing?

The toes are posterior to the heel true or false

simplify (rs) (25) -2 (47)4

if sin theta >0 and tan theta <0 then: a. 180degree < theta < 270degree b. 0degree < theta < 90degree c. 90degree < theta < 180degree d.

Carlos made a scale model of his house. The actual width is 30 feet, and the actual length is 45 feet. If the model has a width of 6 inches, what i the length o