autumna28
autumna28
11-11-2019
Mathematics
contestada
Given f(x) = 2x + 9, if f(x) = 15, find x.
Respuesta :
flcral9230
flcral9230
11-11-2019
if f(x) = 15, then rewrite the equation replacing the f(x) with 15
15 = 2x + 9
subtract 9 from sides
15 - 9 = 6
9 - 9 = 0
then, you would be left with 6 = 2x
divide by 2 on both sides
6/2 = 3
2x/2 = x
x would be 3 :)
Answer Link
VER TODAS LAS RESPUESTAS ( 72+ )
Otras preguntas
need help with this one
use teacher and swimmer in a meaningful sentence
HOW TO PROJECT: PUNNETT SQUARES NEED HELP :(
In the late 1800s, the population of American cities grew at an increasingly rapid rate as the trend of a "rural to urban shift" became apparent. Describe any T
Nathaniel buys 2 dozen oranges at $3:50 per dozen, four kilograms of apples at $3:25 per kilogram two kilograms of carrots at $1:90 per kilogram and one kilogra
Why does Karana sleep on a flat rock after she destroys the village? A. She believes the rock has magical powers. B. She hopes a ship will see her in
21. Which of these fragments could you correct by adding only a subject? George Washington, president of the convention. occurred in Philadelphia in 1787. to al
How to solve inequalities like 4x-4y》28
PLZZZZZ HELP!!!!! 1. Which sentence is punctuated correctly? A. Every carpenter typically uses: a tape measure, a hammer, and a chisel. B.Every carpenter needs:
Keith has t trading cards. Bryce has 10 more trading cards than Keith. Write an expression that shows how many trading cards Bryce has. Type an asterisk ( * ) i
