Welcome to our community

Be a part of something great, join today!

simultaneous equations

ladybutterz

New member
Oct 29, 2013
4
y=2x²+3x-31
y=21-2x
solve for x and y
 

Evgeny.Makarov

Well-known member
MHB Math Scholar
Jan 30, 2012
2,492
Equate the right-hand sides.
 

ladybutterz

New member
Oct 29, 2013
4

MarkFL

Administrator
Staff member
Feb 24, 2012
13,775
y=2x²+3x-31
y=21-2x
solve for x and y
I have moved this topic as it is a better fit here in the Pre-Algebra and Algebra sub-forum.

The suggestion given by Evgeny.Makarov is an excellent one, and you should be able to make at least some progress with it. If he does it for you, you will learn less than if you attempt it yourself. :D