SOLUTION: 3x-3y=3 2x+y=2
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Question 204405
:
3x-3y=3
2x+y=2
Answer by
checkley77(12844)
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3x-3y=3
2x+y=2 multiply by 3 & add.
6x+3y=6
3x-3y=3
---------------
9x=9
x=9/9
x=1 ans.
3*1-3y=3
3-3y=3
-3y=3-3
-3y=0
y=0/-3
y=0 ans.
Proof:
2*1+0=2
2=2