(1) Answers

X=7y-9 X=-7y+8 7y-9=-7y+8 +9= +9 7y=-7y+17 +7y=+7y 14y=17 14y/14=17/14 Y=17/14

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(1) Answers

X=7y-9 X=-7y+8 7y-9=-7y+8 +9= +9 7y=-7y+17 +7y=+7y 14y=17 14y/14=17/14 Y=17/14

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