Step-by-step explanation:
4: To <em>evaluate </em>an algebraic equation, replace each variable with the given number, and carry out the computation.
-This is basically explained the steps of evaluating an equation. You are receiving a number for x, so you then simplify and find if ?=? is true.-
6. 8+r
<em>8 more than a number.</em>
<em>A number increased by 8.</em>
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24. 8-y
<em>(Just the opposite.)</em>
<em>A number less than 8.</em>
<em>8 decreased by a number.</em>
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<em>34. (I don't see the problem for this one.)</em>
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<em>Hope I helped!</em>
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