Set Up an Equation That Can Be Used to Solve

question 60

Multiple Choice

Set up an equation that can be used to solve the problem. Solve the equation and answer the question asked.
-The difference of twice a number and 10 is 20.

• A) x - 2 ·10 = 20; 40
• B) 10 - 2x = 20; - 5
• C) 2x - 10 = 20; 15
• D) 2x + 10 = 20; 5

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