Question

If a + b + c = − 2 a+b+c=−2a, plus, b, plus, c, equals, minus, 2 and x + y = 1 0 x+y=10x, plus, y, equals, 10, what is − 9 a + 2 x − 9 b − 9 c + 2 y −9a+2x−9b−9c+2yminus, 9, a, plus, 2, x, minus, 9, b, minus, 9, c, plus, 2, y?

Answer 1

Sorry but your question makes no sense as posted. Please, post exactly as written in your textbook.