Question

решите уравнение 0,3(5x-7)=3(0,2x+3,2)

Answer 1

0,3 (5х -7) = 3 (0,2х+3,2)        1,5х - 2,1 = 0,6х +9,6         1,5х -0,6х = 2,1 +9,6
0,9х = 11,7       х = 13

Answer 2

1.5х-2.1=0.6х+9.6
1.5х-0.6х=9.6+2.1
0.9х=11.7
х=13