Question 981221
x, age now
(x+18), age eighteen years from now
{{{x=(7/9)(x+18)}}}


STEPS
{{{9x=7(x+18)}}}
{{{9x=7x+7*18}}}
{{{9x-7x=7x+7*18-7x}}}
{{{2x=7*18}}}
{{{x=7*9}}}
{{{highlight(x=63)}}}



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This should help you for the other age-word question that you asked also.