3. Solve for the unknown whole number in the following expressions. (a) z + 14 = 2 R 13 (b) 62 + (3x) = 4R 2 (c) (w + 5) + 8 = 7 R 3 (a) z = (b) x = (c) w =

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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.