Question

15x-4=10x+11
100 баллов дам

Answer 1

15x-4=10x+11
15х-10х=11+4
5х=15
х=15:5
х=3
проверим
15*3-4=10*3+11
45-4=30+11
41=41

5-6x=-10x-3
-6х+10х=-3-5
4х=-8
х=-8:4
х=-2

Answer 2

5-6x=-10x-3
-6х+10х=-3-5
4х=-8
х=-8:4
х=-2