Tim is attending a taco festival that charges $10 for admission and $3 for each taco. Which of the following equations gives the number of tacos Tim bought, x, if he spent $34 at the festival? 3(10 + x) = 34 3x + 10 = 34 10x +3 = 34 13x= 34

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Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.