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

Solving linear equations is not for me :b i need to know p - 15 = 13 - 6p
My teacher asked me to rename numbers how do you do that for example how do you rename 2,300 tens or how to rename 89thousands
How do you solve 5q-7=2/3
Which event in history is seen by many people as the beginning of the Great Depression?
9 hundred thousands equal how many tens
value mart is having a back to school sale on pencils a pack of 30 sells for 7.97 whereas a 12 pack brand cost for 4.77 which is better to buy and please explai
round to the nearest hundredth. 84.562
what 5000 is 1/10 of?
how can you use number patterns to find the least common multiple of 120 and 360
what is the best estimate for the product of 289 and 7