Question

Решите уравнение : 3(0.5x+1.37)-0.11=7

Answer 1

3(0.5X+1.37)-0.11=7
1,5x+4,11-0,11=7
1,5x+4=7
1,5x=7-4
1,5x=3
x=3:1,5
x=2