MagneticEnder MagneticEnder

17-02-2018
Mathematics

contestada

If 5x + 2 = 7, what is the value of 15x + 6?

Respuesta :

texaschic101 texaschic101

17-02-2018

5x + 2 = 7
5x = 7 - 2
5x = 5
x = 5/5
x = 1.....so x = 1

15x + 6 =
15(1) + 6 =
15 + 6 =
21 <=====

Answer Link

JimmyJohns33 JimmyJohns33

17-02-2018

If 5x+2=7 then subtract 2 from each side and it is 5x=5 so x=5
15(1)+6=15+6
The answer is 21

Answer Link

Otras preguntas

A problem states that Ursula earns $9 per hour. To write an expression that tells how much money Ursula earns h hours, Joshua wrote (fraction) 9/h. Sarah wrote

When Machiavelli wrote the prince in 1513, he faced a lot of criticism criticism. What was that key ideas of the prince, and how did these ideas influence Europ

The vertices of a right triangle are (–6, 4), (0, 0), and (x, 4). What is the value of x?

What is a sand painting?

What's 2/4 x 1/3? And pls provide work on how u got the answer.

how do you turn 2.11 as a mixed number in simplest form

you have a 15 foot ladder and need to reach exactly 9 feet up the wall. how far away from the wall should you place the ladder so that you can reach your desire

in what year and what dynasty did wu Zhao arrive at china's imperial court?

Can 20/56 be reduced down

What can diaries and journals do for readers?