brandon uses the steps below to solve the equation 15x +6 = 14x +5 using algebra tiles.
step1:...
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Mathematics, 07.12.2019 21:31 lilybrok04
brandon uses the steps below to solve the equation 15x +6 = 14x +5 using algebra tiles.
step1: add 14 negative x tiles to both sides
step2: add 5 negative unit tiles to both sides
step3: the solution is x = 1
which explains whether brandon is correct?
a) brandon is correct because he has the correct solution in step 3
b) brandon is correct because he forms zero pairs to isolate the variable by using the lowest coefficient each time
c) brandon is not correct because he should have performed step 2 before performing step 1
d) brandon is not correct because he should have added 6 negative unit tiles to isolate the variable in step 2
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Answers: 1
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