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If the variable was replaced with a number how would you simplify?
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If the variable was replaced with a number how would you simplify?

User SteD
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Let's say we have an equation like this 7x + 3. Let x = 4. Then we will do the following:

7(4) + 3 - Replace the x with 4
28 + 3
31 - simplify down
User Martin Joiner
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