Solve the system by addition. 30) x - 2y = -16 -7x - ly = -8...

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math Advanced-Math

Answer 1

Answer #1

5019 30 24-2y = -10 - - 74-19 =-8 - multiply eyn o by 7 8 adding with eqn 6 weget 12-14y= -112 + -724-1y = -8 -15y = -120 - y

Answer 2

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