Question

2(7х-4)-2(2х-3)=-39
решите пж уравнение я застряла

Answer 1

14х-8-4х+6=-39
14х-4х=-39+8-6
10х=-37
х=-3,7

Answer 2

2 (7х-4)-2 (2х-3)=39
14х-8-4х+6=39
14х-4х=39+8-6
10х=41 х=41:10 х=4,1
2 (7×4,1-4)-2 (2×4,1-3)=39
2 (28,7-4)-2 (8,2-3)=39
2×24,7-2×5,2=39
49,4 -10,4=39
39=39