Alex bought 24.75 gallons of paint to use for the house painting.
An equation is an expression that shows the relationship between two or more variables and numbers.
Let x represent the amount of paint bought by Alex, hence:
(1/3)x + 3/2 + 2(3/2) + 12 = x
X = 24.75 GALLONS
Alex bought 24.75 gallons of paint to use for the house painting.
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