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# Algebra question

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If 3a + b + c = -3, a + 3b + c = 9, a + b + 3c = -19, then find abc.

Nov 22, 2021

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Hello Guest,

If 3a + b + c = -3, a + 3b + c = 9, a + b + 3c = -19, then find abc.

$$3a+b+c=-3 \mbox { } (1)$$

$$a+3b+c=9 \mbox { } (2)$$

$$a+b+3c=-19 \mbox { } (3)$$

$$(a, \mbox { } b, \mbox { } c) = (-\frac{1}{5}, \mbox { } \frac{29}{5}, \mbox { } -\frac{41}{5})$$

Now multiply them.