(3y+6)/2 +y = 23
3y+6+2y = 23*2
5y = 46-6
5y = 40
y = 40/5
y = 8
x+y = 23
x = 23-8
x = 15
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(3y+6)/2 +y = 23
3y+6+2y = 23*2
5y = 46-6
5y = 40
y = 40/5
y = 8
x+y = 23
x = 23-8
x = 15