Question

0,8(х - 2) - 0,7(х - 1) = 2,7.

Answer 1

0,8х-1.6-0.7х+0.7=2.7
0.1х=3.6
х=36

Answer 2

0,8x-1,6-0,7x+0,7=2,7
0,8x-0,7x=1,6-0,7+2,7
0,1x=3,6
x=3,6:0,1
x=36