obeyyjenny123 obeyyjenny123
  • 01-08-2018
  • Mathematics
contestada

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

Respuesta :

2018bbenzenhafe
2018bbenzenhafe 2018bbenzenhafe
  • 01-08-2018

5a-10(3)=45

5a-30=45

5a=75

a=15

Answer Link
amy8450
amy8450 amy8450
  • 01-08-2018
5a - 10(3)= 45
5a - 30 = 45
Add 30 to both sides of the equal sign to cancel out the thirty on the left
5a= 75
divide 5a and 75 by 5
a = 15
Answer Link

Otras preguntas

Which of the following presidents is correctly paired with an event that took place during his administration? (A) Lyndon B. Johnson — the establishment of dipl
What causes a rockslide the quick movement of rocks down a slope ? Science
you want to describe the harmonic motion of a swing. You find out that it take 2 seconds for the swing to complete one cycle. What is the swing's period and fre
Psychology question Jeremy grew up in an area where the land was flat. Sally grew up a large city with tall buildings. How may their depth perception be diffe
An estate valued at $75,000 is divided among three daughters. In the ratio 5:8:2 respectively. Calculate the amount each receives
what is 33 %of what number is 1.45
what is the answer for 12a-a
Greg ran 3 times as far as jed.rj ran 0.1times as far as Greg. If jed ran25 yards, how far did Greg and rj run
The largest ethnic group in Nepal are the Bhote. true or false
What US foreign policy issue was a motivation for American intervention in Vietnam?