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0
33
1
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If a + b + c = -3 and x + y = -9,

what is -2c - 2a - 3y - 2b - 3x?

Guest Sep 3, 2018
edited by Guest  Sep 3, 2018
 #1
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+2

\(\begin{align*} &-2c-2a-3y-2b-3x = \\ \\ &-2(a+b+c) - 3(x+y) = \\ \\ &-2(-3) -3(-9) = \\ \\ &6 -(-27) = 33 \end{align*}\)

Guest Sep 4, 2018

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