(y+1.17)*(-12)=76.8 (y-0.61)*27=-78.03
1.(y+1.17)*(-12)=76.8,-12у - 14,04 = 76,8,
-12у = 76,8 + 14,04,
-12у = 90,84,
у = -7,57,
2.(y-0.61)*27=-78.03,27у - 16,47 = -78,03,
27у = -78,03 + 16,47,
27у = -61,56,
у = -2,28
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