Answer:
x=51
Step-by-step explanation:
you are gonna set up your equation like this:
129=3x-24
+24. +24
------------------
153=3x
----- -----
3. 3
------------
x=51
Katie saved $35 last month.
Katie wants to buy a bicycle that costs = $129.
Katie saved money last month to be determined.
In mathematics it deals with numbers of operations according to the statements.
Here, let Katie has x money, so
129 = 3x + 24
x = (129-24)/3
x = 105/3
x = 35
Thus, Katie saved $35 last month.
Learn more about arithmetic here:
brainly.com/question/14753192
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