Question 59951
3X = 5 - y 
Add y to both sides to get:
y+3x=5
Subtract 3x from both sides to get:
y=-3x+5
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and 6x + 2y = 10
Subtract 6x from both sides to get:
2y=-6x+10
Divide thru by 2 to get:
y=-3x+5
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Cheers,
Stan H.