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

Solve the inequality. Graph the solution. 7z< -28

what is [tex] \frac{5}{7} \times \frac{8}{9} [/tex]

Great Britain imposed strict control over what?

Sean is taking an online course in Psychology, and is about to take a quiz over the lesson, “The Experimental Method”. He did poorly on his homework assignment

You have a portfolio that is invested 17 percent in Stock R, 38 percent in Stock S, and the remainder in Stock T. The beta of Stock R is .62, and the beta of St

African women who are trying to eliminate female genital cutting from their own societies are often not happy when American outsiders like Mary Daly and Alice W

Use a graphing calculator to construct a box-and-whisker plot for the number of books read by students in Ms. Vieth'sclass. Describe the shape of the distributi

Evaluate n+2x2 when n=3 and x=−2.

4. If you increase your time spent doing physical activity, how will it influence your diet and maintenance of a healthy weight?

what liteary device is "my heart mended its wounds" be?