Question

Решите уравнение: (3,6х + 2,4) ∙ 1,8 = 20,52

Answer 1

6,48x+4,32=20,52
6,48x=20,52-4,32
6,48x=16,2
x=16,2/6,48
x=2,5

Answer 2

3.6х*1.8+2.4*1.8=20.52
6.48х+4.32=20.52
6.48х=20.52-4.32
6.48х=16.2
х=16.2/6.48
х=2.5