Question 767280
John has 209 mango trees and star apple trees. If he had 23 more mango trees and 18 fewer star apple trees, the number of mango trees would equal the number of star apple trees. How many mango trees does John have?
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let x=number of mango trees
209-x=number of star apple trees
x+23=209-x-18
2x=168
x=84
number of mango trees John has=84