Question

Решите уравнение.
×+11/43=9/12

Answer 1

$x+ frac{11}{43}= frac{9}{12}; \ x+ frac{11}{43}= frac{3}{4}; \ x= frac{3}{4}-frac{11}{43}; \ x= frac{3*43}{4*43}-frac{11*4}{43*4}; \ x= frac{129}{172}-frac{44}{172}; \ \ x= frac{85}{172}$