SOLUTION: x-2y=2 2x+3y=11 use substitution method to solve system if dependant or inconsistant so indicate
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Question 37403
:
x-2y=2
2x+3y=11
use substitution method to solve system
if dependant or inconsistant so indicate
Answer by
checkley71(8403)
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X=2Y+2 SUB (2Y+2) FOR X IN EQUATION #2 WE GET
2(2Y+2)+3Y=11 OR 4Y+4+3Y=11 OR 7Y=7 OR Y=7/7 OR Y=1
THEN X=2Y+2 OR X=2*1+2 OR X=4
PROOF 2*4+3*1=11 OR 8+3=11 OR 11=11 & 4-2*1=2 OR 4-2=2 OR 2=2