SOLUTION: –3x + y = 2 –9x + 3y = 6
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Question 720922
:
–3x + y = 2
–9x + 3y = 6
Answer by
checkley79(3341)
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–3x + y = 2 MULTIPLY BY -3 & ADD.
–9x + 3y = 6
9X-6Y=-6
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-3Y=0
Y=O ANS.
-3X+0=2
X=2/-3=-2/3 ANS.
PROOF:
-9(-2/3)+3*9=6
18/3+0=6
6=6