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Hi there! Have questions about your homework? At Brainly, there are 60 million students who want to help each other learn. Questions are usually answered in less than 10 minutes. Try it for yourself by posting a question! :D

0.20 x 20 (the value of n) = 4. Please check my equation to solve for n. 0.10 x n = 0.20 - 2. Instead of n, write the value of n which is 20. You'll find that they are equal. It means that the solution is conditional, meaning only one solution for n, which is 20. The algebraice expression is the equation I have derived from thethe given statement (the problem you posted).