Answer:
6x + 9y
Step-by-step explanation:
3 * 2x = 6x
and
3 * 3y = 9y
then combine them with a plus sign
x = 142/83
y = 111/83
z = 452/83
3x-4y-6x+28y
-3x-6x-4y+28y
-9x+24y
1.65
Things how much there worth
Hope it helps
Nina is correct,
Hope this helped
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