GET a Metal!! When attempting to do his/her homework, a student uses the addition property of equality to solve for a below. Which statement BEST applies to the sample below? a + 3 = 9 a + 3 – 3 = 9 – 9 a = 0 A. The student failed to keep both sides of the equation balanced. B. The student’s final answer does not have the variable a isolated. C. The use of the addition property of equality is sound, and the answer is correct. D. The student should have added 3 to the left side of the equation rather than subtracting.
A. To make it balanced he should have subtract 3 from both sides instead of subtracting 9 on the right side. a should equal 6.
a
Which of the following BEST describes how to use the addition property of equality to isolate the variable y below?|dw:1384620250048:dw|
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