scarlett-bailey_60c14fab05a26
scarlett-bailey_60c14fab05a26
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a)7(y-1)=2(3y+1) 7y - 7 = 6y + 2 y = 2 + 7 y = 9 b)y+4(y-1) = 9 -2(y+3) y² - y +4y - 4 = 9 - 2y - 6 y² +3y +2y - 4 - 3 = 0 y² + 5y - 7 = 0 â = â53 y' = (-5 + â53)/2 y'' = (-5 - â53)/2 c)4(y-2) + 3(2y-1) = 6(2y-3) 4y - 8 +…