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solving by substitution

 
 
jay8ea
 
Reply Mon 13 Feb, 2017 10:57 am
Find the values for x,y and z that simultaneously satisfy the following equations:

i) y=6x+5z
ii) y-4x=9z
iii) y-3x-8z=0
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nacredambition
 
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Reply Mon 13 Feb, 2017 10:54 pm
@jay8ea,
This tutorial will help you find your way through the matrix.

http://www.mathplanet.com/education/algebra-1/systems-of-linear-equations-and-inequalities/the-substitution-method-for-solving-linear-systems
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