Question

Rezolvati ecuatia in multimea numerelor rationale:a)x-2,4=8; b)x+3,6=0,5; c)-x+8,2=6; d)5-x=-11,7; e)-3 supralui4=3,12; f)2,5x-7,2=1,8; g)2,1supralui3x+0,08=1,2; h)-5,3supralui5x+0,48=-53.

Answer 1

x=2,4+8=10.4
x=4,1
x=8,2-6=2,2
x=11,7+5=16,7
x=(1,8+7,2)/2.5=10/2.5=4