Number 9 is 1.52 because you divide 15.3 by 10 it will be 1 .52
15,000 + 140 + 3 + .7 + .16 = 15,143.86 hope this helps
-8y + 9x = -5
8y + 7x = -75 +
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/ 16x = -80
x = -80/16
x = -5
8y + 7x = -75
8y - 35 = -75
8y = -75 + 35
8y = -40
y = -40/8
y = -5
Answer : x = y = -5