3 years ago

5x+8y=-12 3x+5y=-7 what is the solution

2 answers:

6 0

Answer:

$5x + 8y = - 12 - - - (a) \\ 3x + 5y = - 7 - - - (b) \\ 3\times (a) - 5 \times (b) : \\ = > 0x - y = - 1 \\ y = 1 \\ 3x + 5 = - 7 \\ 3x = - 12 \\ x = 4 \\ { \boxed{x = - 4}} \\ { \boxed{y = 1}}$

OverLord2011 [107]3 years ago

3 0

X = -4 Y = 1 are the answers ifkffjdjskvisjnencjdnsn

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