kayleeeann kayleeeann
  • 04-05-2017
  • Mathematics
contestada

What is the value of 8 of a in the equation 5a-10b=45, when b=3

Respuesta :

Equanimity
Equanimity Equanimity
  • 04-05-2017
Since B=3, we'll plug in 3 for B.
5a - 10(3) = 45.
Multiply 3 by 10 since it was "10b".
5a -30 = 45
Add 30 to each side to get 5a by itself.
5a = 75
Divide by 5 on each side.
a = 15
I hope this helps!
Answer Link

Otras preguntas

Allan and Dave bowl together and their combined total score for one game was 375 points. Allan’s score was 60 less than twice Dave’s. What were their scores?
Simplify. √-112 A. 4√7 B. -4i√7 C. 4i√7 D. -4√7 √ is a square root sign btw
How many people on food stamps have iphones?
For several reasons you should only use hospital aproved lotions two of the reasons are because they cause breakdown of latex gloves and can become contaminated
How many people on food stamps have iphones?
Not sure what to do.
How would I be able to find my answer to this problem?
Please help me with this Spanish hw answer with complete sentences
WHAT INTERESTING CHARARCTERISTIS DOES A WHITE SIBERIAN TIGER HAVE?
When choosing a topic, make sure you are?? 1. Knowledgeable 2. Passionate 3. Professional 4. Precise