Question

решите уравнение: 1) (1 3/4+х): 1,9 = 2.5 ;
2) (7.1 -х): 3.6 =1 1/2 .

Answer 1

13/4+x=2.5*1.9
3.25+x=4.75
x=4.75-3.25
x=1.5
7.1-x=5.5*3.6
x=7.1-19.8
x=-12.7