Question

9y -9y = 19
kese aaya​

Answer 1

$\bold \red \star \: \large \underline{Solution:-}$

$\blue{10y } + \pink{x }- \pink {10x} - \blue {y }= \gray{18}. \\ \\ \blue{10y }- \blue {y} - \pink{10x} + { \pink x} = \gray {18}. \\ \\ \blue{ 9y} - \pink{9x }= \gray{ 18}.$