shayshayxo
shayshayxo shayshayxo
  • 16-02-2018
  • Mathematics
contestada

For f(x) = 2x + 8, find x when f(x) = -7.

Respuesta :

cdw2014
cdw2014 cdw2014
  • 16-02-2018
-7 = 2x + 8

Solve for x. First subtract 8 to both sides.

-7 - (8) = 2x + 8 - (8)

-15 = 2x

Divide by 2.

-15/(2) = -2x/(2)

x = -15/2 = -7.5
Answer Link

Otras preguntas

what is the LCM of 12 and 18
Which describes static electricity? Electron charges of two objects are equal. Electrons move through a metal object that shocks you when you touch it. You pull
Which theme is evident in this excerpt from Alfred Lord Tennyson’s narrative poem “The Charge of the Light Brigade”? “Forward, the Light Brigade!” Was there a m
Silva has developed a working thesis and collected a large amount of information related to it for her research paper. What is the most useful next step in the
1. The Louisiana Territory was purchased in 1803 from _____. (1 point) Britain France Spain Louisiana 2. Who forced Napoleon Bonaparte to abandon plans for an
Which of the following is a polynomial with roots 3, 5i, and −5i? f(x) = x3 − 3x2 + 25x − 75 f(x) = x3 − 3x2 + 15x − 25 f(x) = x3 − 15x2 + 25x − 75 f(x) = x
The remaining amount after deductions in salary. A. Gross B. Net C. Fiscal D. Tariff
How many tenths are in 15.03?
What number is ten thousand less than 842,719
To find 19+(11+37) Lennie added 19 and 11. Then he added 37 to the sum. Which property did he use