Question

решите уравнение 2,5*х-4,15=3,1

Answer 1

2.5x - 4.15 = 3.1
2.5x = 3.1 + 4.15
2.5x = 7.25
x = 7.25 : 2.5
x = 2.9

Answer 2

2.5x-4.15=3.1
2.5x=3.1+4.15
2.5x=7.25
x=7.25:2.5
x=2.9