Question: This scale balanced when n + 30 = 40. Suppose the left side becomes n + 9. Next question How can you change the right

This scale balanced when n + 30 = 40. Suppose the left side becomes n + 9. Next question How can you change the right side so that n + 9=_is equivalent to n + 30 = 40? How can you change the right side to get an equivalent equation? Select the correct choice below and fill in the answer box to complete your choice; A. Subtract from the right side. O B. Add to the right side. O C. Multiply the right side by O D. Divide the right side by Complete the equation. n +9= (Simplify your answer.)
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