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The sum of 2x and 3y is 7.What is the sum of 8x and 12y?
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The sum of 2x and 3y is 7.What is the sum of 8x and 12y?

User Mike Jarema
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1 Answer

11 votes

Answer:

28

Explanation:

2x + 3y = 7

Now, since 8/2 is 4 and 12/3 is also 4, we can multiply the entire original equation by four in order to get the equation that we want

4(2x + 3y = 7)

8x + 12y = 28

User Paulmdavies
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