Answer:
y=-34
Step-by-step explanation:
-51÷3=-17
-17×2=-34
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Answer:
Step-by-step explanation:
2{5x²-15+(-9xy²)}-(2y²+4x-xy²)+3x²
=2{5x²-15-9xy²}-(2y²+4x-xy²)+3x²
=10x²-30-18xy²-2y²-4x+xy²+3x²
=13x²-2y²-17xy²-4x-30
45/100 x 57 + 45 = $70.65