saralisanchez123 saralisanchez123
  • 21-06-2021
  • Mathematics
contestada

What is R+G=20
7R+3G=9

Respuesta :

vincentelui
vincentelui vincentelui
  • 22-06-2021

Step-by-step explanation:

hope I understand your qyestion

Equation 1 : R+G=20

Equation 2 : 7R+3G=9

Multiply Equation by 3, it becomes

3R+3G=60 ...... Equation 3

Now Equation 3 minus Equation 2

-4R = 51

R = - 51/4

Sub R into Equation 1, you can find G

Answer Link

Otras preguntas

Installing a security system is an example of this operating expense. O insurance O improvements O inventory O professional services
. When should measures of location and dispersion be computed from grouped data rather than from individual data values?
what do we call the software which programmers use to program?​
Find the area in the shaded region.
The Sahara, which is the world’s largest desert, is almost as big as: A) the United States B) Egypt C) the Mediterranean Sea D) Africa
Convert the fractions to decimals ​
A Cylinder has a base diameter of 4cm and a height of 2cm. What is it’s volume in cubic cm, to the nearest tenths place
-7 2/3 + (-5 1/2) + 8 3/4 =
Can someone actually HELP me
Julia has 2 chemistry books and 3 math books. In her rush to get to class, she grabs one book, then a second book, without stopping to look. What is the probabi