3x-y=2 x+2y=3 solve by substitution
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(3x-y = 2)×2
x+2y = 3
6x-2y= 4
x +2y = 3
7x = 7
x = 1
put in 2nd
1+2y = 3
2y = 2
y = 1
x+2y = 3
6x-2y= 4
x +2y = 3
7x = 7
x = 1
put in 2nd
1+2y = 3
2y = 2
y = 1
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0
the answer is in the picture
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