MHB How many stickers did Angel and Kareem have altogether?

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Angel had five times the number of stickers as Kareem. After giving 36 stickers to Kareem, both ended up with an equal amount. The equations derived from the situation are a = 5k and a - 36 = k + 36. Solving these equations reveals that Angel originally had 180 stickers and Kareem had 36 stickers. Altogether, they had 216 stickers.
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Angel and Kareem had some stickers. Angel had 5 times as many stickers as Kareem. After Angel gave 36 stickers to Kareem, both of them had an equal number of stickers. How many stickers did they both have altogether
 
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Angel had 5 times as many stickers as Kareem

$a = 5k$

Angel gave 36 stickers to Kareem, both of them had an equal number of stickers.

$a-36 = k+36$

solve the system of equations
 
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