Question

40-×=32-2решитт уравнение ×+10=26+14, ×-7=18+12

Answer 1

1) 40-х=32-2;
40-х=32-2;
40-х=30;
х=40-30;
х=10.

2) х+10=26+14;
х+10=26+14;
х+10=40;
х=40-10;
х=30.

3) х-7=18+12;
х-7=18+12;
х-7=30;
х=30+7;
х=37.