Question

Solve 2/x+12/x=7 A. 2 B.-2 C. 28 D.-28

Answer 1

$\frac{2}{x}+\frac{12}{x}=7\\\frac{2+12}{x}=7\\\frac{14}{x}=7\\14=7x\\\frac{14}{7}=x\\x=\frac{14}{7}\\x=2$

The answer is A. 2