## Algebra 1

Let $m$ = the number of months when membership cost the same. $25m+125=30m+50$ 15 months
$25m+125=30m+50$ Subtract $50$ from both sides. $25m+75=30m$ Subtract $25m$ from both sides $75=5m$ To solve for the variable, divide each side by 5. $15=m$ or $m=15$