Izzkimisc1obe3ace Izzkimisc1obe3ace
  • 21-02-2017
  • Mathematics
contestada

If 21 more than 3 times a number is -15, what is the number?
-12
2
12
-2

Respuesta :

timijebs
timijebs timijebs
  • 23-02-2017
21+3x=-15
3x=-15-21
3x=-36
x=-36/3
x=-12
Answer Link

Otras preguntas

The base of a triangular pyramid is 21 inches squared. The volume is 63 inches cubed. What is the height of the pyramid?
Plz, Help me! Due on Sunday or two days from today.
whats the value of x?
A company has the opportunity to take over a redevelopment project in an industrial area of a city. No immediate investment is required, but it must raze the ex
The cake store is having a 25% off sale on all of its cakes. If the cake you want regularly costs $9, how much would you save with the discount? $
Please solve! (best bet is to use paper)
what is the solution of the inequality below? c-8>-1
Find all of those elements on the periodic table
WORD BANK probe Yuri Gagarin space station satellite Galileo lunar lander Four of Jupiter’s moons are named (as a group) after _____________________, who disco
6. In a basketball game, Anton made 5 shots in 7 tries. What is the ratio of thenumber of tries to the number of shots he missed?A. 7:2B. 7:5C. 5:7D. 5:2​