Question

1)3в+2в-3,7=6,6
2)(х-5,7)*0,3=4,02

Answer 1

1)3в-2в=6,6+3,7
1в=10,3
в=10.3
2)0,3*x-0.3*5.7=4.02
 0,3x-1.71=4.02
 0.3x=4.02+1.71
 0.3x=5.73
x=5.73/0.3
x=19.1