Westonci.ca offers quick and accurate answers to your questions. Join our community and get the insights you need today. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Our platform provides a seamless experience for finding reliable answers from a network of experienced professionals.

Solve using the elimination method 3x+5y=9
X-20y= -62


Sagot :

3x+5y=9 and x-20y=-62
Multiply the first equation by -4
-4(3x+5y=9)       =     -12x-20y=-36

Then subtract the two equations:

 -12x-20y=-36
-(x    -20y=-62)
-13x+0y=26

-13x=26
x=-2

3(-2)+5y=9
-6+5y=9
5y=15
y=3