Question

реши уравнение 7x+5:5-3x+1:2=1

Answer 1

7Х + 5:5-3Х+1:2=1

(7Х+3Х)+5:5+1:2=1

10Х+5:5+1:2=1

10Х+1+1:2=1

10Х+(1+0,5)=1

10Х+0,6=1