Write an algebraic expression for the sum of 18 and a number.

lets x be the numebr the algebraic expression would be x+18

Answered by HannahN | 2024-06-10

y=18+x because this is in slope-intercept form

Answered by hugglenut | 2024-06-10

The algebraic expression for the sum of 18 and a number can be expressed as 18 + x or x + 18 , where x represents the unknown number. Both forms are equivalent and correct. Using a variable helps us describe unknown quantities in mathematics clearly.
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Answered by HannahN | 2024-12-23