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 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 are facts on Loyalists?
Hello how do you solve for x a= x-b/y
Q: What is the indicated term of the arithmetic sequence? someone help!!!! a14 for 200,196,192... A: a. 148 b. 252 c. 144 d. 239
does anybody know how to write 45/70 in simplest form????
Subtract: 6lb 4oz - 2lb 10oz
The widths of two similar rectangles are 16 cm and 14 cm. What is the ratio of their perimeters? Of their areas? a. 8:7 and 64:49 b. 9:8 and 64:49 c. 8 and 81-
The molar heat of fusion of gold is 12.550 kJ mol–1. At its melting point, how much mass of melted gold must solidify to release 235.0 kJ of energy?
Can someone tell me what is Anaphora?
A soccer team played 160 games and won 65 percent of them. How many games did it win ?
A registered nurse (RN) pays 5% simple interest on a $175,000 mortgage for the construction of a house. What is the yearly interest paid on the mortgage?