Ответ:
а) \(10 - 2.4x = 3.16\)
\(-2.4x = 3.16 - 10\)
\(-2.4x = -6.84\)
\(x = -6.84 : (-2.4) = 2.85\)
Ответ: \(x = 2,85\).
б) \((y + 6.1) \cdot 2.3 = 70.84\)
\(y + 6.1 = 70.84 : 2.3 = 30.8\)
\(y = 30.8 - 6.1 = 24.7\)
Ответ: \(y = 24,7\).
а) \(10 - 2.4x = 3.16\)
\(-2.4x = 3.16 - 10\)
\(-2.4x = -6.84\)
\(x = -6.84 : (-2.4) = 2.85\)
Ответ: \(x = 2,85\).
б) \((y + 6.1) \cdot 2.3 = 70.84\)
\(y + 6.1 = 70.84 : 2.3 = 30.8\)
\(y = 30.8 - 6.1 = 24.7\)
Ответ: \(y = 24,7\).