-3v-3x=155v+X=-29 – InterviewSolution

1.

-3v-3x=155v+X=-29

Answer»

-3v-3x = 15 => -3(v+x) = 15 => (v+x) = 15/-3 = -5 => v+x = -5

now, 5v+x = -29 => 4v+(v+x) = -29.... ( now, put x +v = -5)=> 4v+(-5) = -29=> 4v = -29+5 = -24=> v = -24/4 = -6

now, x = -5-v = -5-(-6) = 1

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