Question

Evaluate the expression when c=-2 and x=2 . c-9x

Answer 1

Answer:

To evaluate an algebraic expression, you have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

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Answer 2

Answer:

c-9x

= -2-(9×2)

= -2-18

= -20