решите уравнения
3x-1=2(x-2)
3(x+5)=7-5x
19(y-9)=3(y+7)
4(x-9)=3(x-8)

1. 3x-1=2(x-2)3x-1=2x-43x-2x=-4+1x=-32. 3(x+5)=7-5x3x+15=7-5x3x+5x=7-158x=-8x=-13. 19(y-9)=3(y+7)19y-171=3y+2119y-3y=21+17116y=192y=124. 4(x-9)=3(x+8)4x-36=3x+244x-3x=24+36x=60