Question

1)5х-2х+3=6 2)5х-6(8х-7)=9

Answer 1

1) 5x-2x+3=6  3x=6-3 3x=3 x=1
2) 5x-6(8x-7)=9=5x-48x+54=9=-43x=-45 x=43:45 x=0,9... округляем=х=1