Question

0,3(х-2)=0,4(5-х)-4,7=
памагите пажалуста нада срочна нада

Answer 1

0.3x-0.6=2-0.4x-4.7
0.3x+0.4x=0.6+2-4.7
0.7x=-2.1
x=2.1/0.7
x=3