11 ( y - 4 ) + 10 ( 5 - 3y ) - 3 ( 4 - 3y ) = -6

[latex]11( y - 4 ) + 10( 5 - 3y ) - 3( 4 - 3y ) = -6[/latex] [latex]11y-44+50-30y-12+9y=-6[/latex] [latex]11y-30y+9y=44-50+12-6[/latex] [latex]-10y=0[/latex] [latex]y=0[/latex] [latex]10(3x - 2 ) - ( 5x + 2 ) + 5( 11 - 4x ) = 25 [/latex] [latex]30x-20-5x-2+55-20x=25[/latex] [latex]30x-5x-20x=25+20+2-55[/latex] [latex]5x=-8[/latex] [latex]x=- 1\frac{3}{5}=-1,6 [/latex]

=11y-44+50-30y-12+9y=-6 -6-10y=-6 -10y=0 y=0  думаю ответ такой