Evaluate the expression when c = -7/9 and x=2/3. Write your answer in simplest form. c-2x
Question
Solution
Sure, let's evaluate the expression step by step:
The expression is c - 2x.
Given that c = -7/9 and x = 2/3, we substitute these values into the expression:
= -7/9 - 2*(2/3)
= -7/9 - 4/3
To subtract these fractions, we need to find a common denominator. The least common denominator for 9 and 3 is 9. So we rewrite 4/3 as 12/9:
= -7/9 - 12/9
Now, subtract the numerators:
= -19/9
So, the expression c - 2x evaluates to -19/9 when c = -7/9 and x = 2/3.
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