djhawaiiboi djhawaiiboi

02-10-2017
Mathematics

contestada

If (a,-7) is a solution to the equation 8a+3b=3, what is a?

Respuesta :

mongadonga mongadonga

02-10-2017

b=-7
8a+3(-7)=3
8a+(-21)=3
8a-21=3
8a=24

Hope this helps. Vote me Brainliest if it does!

Answer Link

nycolesmith10 nycolesmith10

02-10-2017

8a=-3(-7)-5
8a=21 -5=16
A=2
Substitue the value -7 for the b in the equation

Answer Link

Otras preguntas

The perimeter of a triangle is 10 inches, if the length is 7 less than twice the width, find the length and width. I need to see the equation for it, too. Pleas

I need help with 8th grade math

PLEASE LOOK AT PICURE!! WHOEVER IS CORRECT I WILL MARK BRAINIEST!!!

PLEASE HELP!!!!!!!!!!!!

Which solution is most likely isotonic? Which solution is most hypertonic? Which solution is most hypotonic?

Operating speed of an automatic washing machine is 5.5 rad s-1 . After loading dirty clothes and pressing a start button, the tub of the washer can reach its op

12. Find the value of x. (11x - 151° (5x - 13°

some symptoms of dementia are progressive decreases in memory, thinking, and behavior. what are the leading causes of dementia in older adults?

How is solving a - ab = c for a different from the problems in this lesson? How might you solve this equation for a?

Sumy is working in geometry class and is given figure ABCD in the coordinate plane to reflect. The coordinates of point D are (a, b) and she reflects the figure