how do I solve this:
my set up:
10x + 4y + 20z =2.5
7.5x + 6y + 15z = 3
15x + 3y + 40z = 1.75
how to solve this system
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how do I solve this:
my set up:
10x + 4y + 20z =2.5
7.5x + 6y + 15z = 3
15x + 3y + 40z = 1.75
how to solve this system
There are LOTS of ways.Quote:
Originally Posted by soccergad
System of linear equations - Wikipedia, the free encyclopedia
Might it be useful first to confirm that this system is appropriate to the word problem which generated it...?Quote:
Originally Posted by soccergad
ah... this problem makes my insides hurt... lol. Well, first isolate x. then plug what you got for x back into another equation. Solve for anther variable. Do this until you solve for all 3.