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Set up equations and solve them to find ...

Set up equations and solve them to find the unknown numbers in the following cases:
When I subtracted 11 from twice a number, the result was 15.

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PSEB-Simple Equations-EXAMPLE
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  2. Construct 3 equations starting with x = 2

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  3. Construct 3 equations starting with x = – 2

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  4. The sum of three times a number and 11 is 32. Find the number.

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  5. Find a number, such that one-fourth of the number is 3 more than 7.

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