А) 3(y-5)-2(y-4)=8
3y-15-2y+8=8
3y-2y=15-8+8
y=15
Б) -5(5-x)-4=18
-25+5x-4=18
-20x=18+4
-20x=22
x=-22/20= -11/10
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А) 3(y-5)-2(y-4)=8
3y-15-2y+8=8
3y-2y=15-8+8
y=15
Б) -5(5-x)-4=18
-25+5x-4=18
-20x=18+4
-20x=22
x=-22/20= -11/10
Y-7=8
y=15
-25+5x-4=18
5x=47
X=47:5