Question

$\sqrt{x+9} =35:5$

Answer 1

Respuesta:

40

Explicación paso a paso:

$\sqrt{x + 9} =35 \div 5 \\ \sqrt{x + 9} = 7 \\ { \sqrt{(x + 9)} }^{2} = {7}^{2} \\ x + 9 = 49 \\ x = 49 - 9 \\ x = 40$