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

What is a "Balanced Diet"? 1: A diet in which all five food groups are eaten every day. 2: A diet in which most of the essential nutrients are ingested every da

Often a pond seems somewhat quiet. Choose all answers that are correct. A. often B. seems C. quiet D. somewhat

Dupa doua reduceri consecutive de pret , ambele de 10% , un aparat foto costa 567 lei. care a fost pretul initial al aparatului foto.

The table shows a proportional relationship. x y 0 0 2 9 4 18 6 27 Complete the equation that represents the table

budha summary in world relifion relifion

What is equal to 9 12

How do you solve the highlighted problem?

A recipe calls for 3 cups of sugar and 9 cups of water. How many cups of water should be used with two cups of sugar?

A region that includes several interacting ecosystems is called ___

You are making bouquets to sell. You have 60 roses, 84 daisies, and 24 lilies. Each bouquet will have the same number of each kind of flower. You want to use al