To solve how many video games Marcus rented, we can set up an equation based on the information provided.
Let \( g \) represent the number of video games rented. The cost of the movie is $4, and each video game costs $6. The total amount Marcus paid is $22.
The equation can be written as:
\[ 4 + 6g = 22 \]
Next, we can solve for \( g \):
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Subtract the cost of the movie from both sides: \[ 6g = 22 - 4 \] \[ 6g = 18 \]
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Divide both sides by 6: \[ g = \frac{18}{6} = 3 \]
Thus, Marcus rented 3 video games.
Final answer: Marcus rented 3 video games.