DianePorcelli991 DianePorcelli991
  • 03-05-2014
  • Mathematics
contestada

If 3x – 10 = 17, what is the value of 6x + 20 ?

Respuesta :

yumi4 yumi4
  • 03-05-2014
74 because 3x equal 17+10. so x equals 9 and plug it in to the equation got 74
Answer Link
Аноним Аноним
  • 03-05-2014
[tex]3x-10=17\ \ \ \ /+10\\\\3x-10+10=17+10\\\\3x=27\ \ \ \ /:3\\\\3x:3=27:3\\\\x=9\\\\\\\\6x+20=6\cdot9+20=54+20=74[/tex]



[tex]3x-10=17\ \ \ /\cdot2\\\\2\cdot3x-2\cdot10=2\cdot17\\\\6x-20=34\ \ \ \ /+40\\\\6x-20+40=34+40\\\\6x+20=74[/tex]
Answer Link

Otras preguntas

Why Not all sources of information are useful to quench curiosity?​
Find 24.7% of 169. Round to the nearest tenth.
What is the expression of 27
Questions 1-8: Complete each statement about parallelogram
The most common cause of morbidity and mortality with a SAH is _____. 1) Hypertension 2) Aneurysm rupture 3) Trauma 4) Infection
What times 1.5 gives you 10
write a diary entry on Rajgir hills of bihar​
HELP ME PLEASE!!!! 50 POINTS!!!!What type of inheritance pattern does the pedigree illustrate?​
oel gave 4 piano lessons this week. For each lesson, he was given a check written for $37.50. Joel deposited all 4 checks at the bank. He also withdrew $80 in c
Mojo Mining has a bond outstanding that sells for $1,055 and matures in 23 years. The bond pays semiannual coupons and has a coupon rate of 5.94 percent. The pa