6. Реши уравнения.7×x =120 + 370а - 750 = 900 - 850950 :b = 120 - 115

Решите задачу:

$1)7 \times x = 120 + 370 \\ 7x = 490 \\ x = 490 \div 7 \\ x = 70 \\ 2)a - 750 = 900 - 850 \\ a - 750 = 50 \\ a = 50 + 750 \\ a = 800 \\ 3)950÷b=120-115 \\ 950 \div b = 5 \\ b = 950 \div 5 \\ b = 190$

6. Реши уравнения.7×x =120 + 370а - 750 = 900 - 850950 :b = 120 - 115​

6. Реши уравнения.7×x =120 + 370а - 750 = 900 - 850950 :b = 120 - 115