решите два уравнения 2(11x-5)17х=55 5(8х+3)-12=83

1)40х+3=83;40х=83-3;40х=80;х=2

2(11x-5)-17x=55;
22x-10-17x=55;
5x=55+10;
5x=65;
x=65÷5;
x=13.
5(8x+3)-12=83;
40x+15-12=83;
40x=83+12-15;
40x=80;
x=80÷40;
x=2.