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AA represents the height of Tree A in inches t years after being planted:
AA = 32 + 6t
BB represents the height of Tree B in inches t years after being planted:
BB = 20 + 9t
To determine the number of years after the trees were planted when both trees have an equal height, we need to set AA equal to BB and solve for t:
32 + 6t = 20 + 9t
Simplifying the equation:
32 - 20 = 9t - 6t
12 = 3t
t = 4
Therefore, after 4 years, both trees will have an equal height.