Question

5. Теңдеулерді шеш.
х+7.4 = 40
6. 3+ х = 72
80 - x= 9.5
12 + х = 5-8
x - 32:4= 50
х+2 : 6 = 94​

Answer 1

1. х+7.4=40
х=40-7,4
х=32,6
2. 6.3+х=72
х=72-6.3
х=65.7
3. 80-х=9.5
-х=9,5-80
х=70,5
4. 12+х=58
х=58-12
х=46
5. х-32:4=50
х-8=50
х=50+8
х=58
6. х+2:6=94
х+2/6=94
х+1/3=94
х=94-1/3
х=281/3