Question 919685
x Gita's age Now
y Sita's age Now
y - 6 = 3(x-6)
<u>-(y+12 = 2(x+12)</u>
-18 = 3(x-6) - 2(x+12)
-18  = 3x - 18 - 2x - 24
{{{ highlight_green(24)}}} = x, Gita's age Now.  Sita is {{{ highlight_green(60)}}}  y - 6 = 3(x-6), {{{y = 3(18) + 6}}}
And...checking
y+12 = 2(x+12)
72 = 2(36)