Question 1128561
{{{ y + 18 = 3*( y - 2 ) }}}
{{{ y + 18 = 3y - 6 }}}
{{{ 2y = 24 }}}
{{{ y = 12 }}}
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check:
In 18 yrs, she will be 30
2 yrs ago she was 10
{{{ 30 = 3*10 }}}
OK