Question

Tìm x 

10,4-x  \(X\) 0,5 =24,4

Answer 1

\(10,4-x\times0,5=24,4\\ x\times0,5=10,4-24,4\\ x\times0,5=-14\\ x=-14\div0,5\\ x=-2,8\)

Answer 2

Ta có: \(10.4-x\cdot0.5=22.4\)

\(\Leftrightarrow x\cdot\dfrac{1}{2}=-12\)

hay x=-24

Answer 3

x* 0.5 = 10.4-24.4

x* 0.5 = -14

x        = -14/ 0.5

x        = -2.8