Помогите пж аааааааааа
1)2,9y-4,8+4y=5.4y+10.8 1.5y=15.6 y=10.4 2)- \frac{1}{4}x = \frac{9}{4} " alt=" \frac{3}{4} x- \frac{3}{4} +2x= [tex]\frac{3}{2} +x - \frac{1}{4}x = \frac{9}{4} " align="absmiddle" class="latex-formula"> x=-9
спс